added loading widget, till spaces are valid

fixed save issue

lib/pages/spaces_management/all_spaces/view/spaces_management_page.dart

@@ -53,6 +53,9 @@ class SpaceManagementPageState extends State<SpaceManagementPage> {
           builder: (context, state) {
             if (state is SpaceManagementLoading) {
               return const Center(child: CircularProgressIndicator());
+            }
+            if (state is SpaceManagementInitial) {
+              return const Center(child: CircularProgressIndicator());
             } else if (state is BlankState) {
               return LoadedSpaceView(
                 communities: state.communities,

lib/pages/spaces_management/all_spaces/widgets/dialogs/create_space_dialog.dart

@@ -526,6 +526,8 @@ class CreateSpaceDialogState extends State<CreateSpaceDialog> {
                       isNameFieldInvalid = true;
                     });
                     return;
+                  } else if (isNameFieldExist) {
+                    return;
                   } else {
                     String newName = enteredName.isNotEmpty ? enteredName : (widget.name ?? '');
                     if (newName.isNotEmpty) {

lib/pages/spaces_management/all_spaces/widgets/loaded_space_widget.dart

@@ -1,7 +1,6 @@
 import 'package:flutter/material.dart';
 import 'package:flutter_bloc/flutter_bloc.dart';
 import 'package:syncrow_web/pages/space_tree/bloc/space_tree_bloc.dart';
-import 'package:syncrow_web/pages/space_tree/bloc/space_tree_event.dart';
 import 'package:syncrow_web/pages/space_tree/view/space_tree_view.dart';
 import 'package:syncrow_web/pages/spaces_management/all_spaces/bloc/space_management_bloc.dart';
 import 'package:syncrow_web/pages/spaces_management/all_spaces/bloc/space_management_event.dart';

lib/pages/spaces_management/all_spaces/widgets/sidebar_widget.dart

@@ -2,10 +2,10 @@ import 'dart:async';
 
 import 'package:flutter/material.dart';
 import 'package:flutter_bloc/flutter_bloc.dart';
-import 'package:syncrow_web/common/widgets/empty_search_result_widget.dart';
 import 'package:syncrow_web/common/widgets/search_bar.dart';
 import 'package:syncrow_web/common/widgets/sidebar_communities_list.dart';
 import 'package:syncrow_web/pages/space_tree/bloc/space_tree_bloc.dart';
+import 'package:syncrow_web/pages/space_tree/bloc/space_tree_state.dart';
 import 'package:syncrow_web/pages/spaces_management/all_spaces/bloc/space_management_bloc.dart';
 import 'package:syncrow_web/pages/spaces_management/all_spaces/bloc/space_management_event.dart';
 import 'package:syncrow_web/pages/spaces_management/all_spaces/model/community_model.dart';
@@ -114,41 +114,48 @@ class _SidebarWidgetState extends State<SidebarWidget> {
     return Container(
       width: _width,
       decoration: subSectionContainerDecoration,
-      child: Column(
+      child: spaceTreeState is SpaceTreeLoadingState
-        mainAxisSize: MainAxisSize.min,
+          ? const Center(child: CircularProgressIndicator())
-        crossAxisAlignment: CrossAxisAlignment.start,
+          : Column(
-        children: [
+              mainAxisSize: MainAxisSize.min,
-          SidebarHeader(onAddCommunity: _onAddCommunity),
+              crossAxisAlignment: CrossAxisAlignment.start,
-          CustomSearchBar(
+              children: [
-            onSearchChanged: _onSearchChanged,
+                SidebarHeader(onAddCommunity: _onAddCommunity),
-          ),
+                CustomSearchBar(
-          const SizedBox(height: 16),
+                  onSearchChanged: _onSearchChanged,
-          Expanded(
+                ),
-            child: Visibility(
+                const SizedBox(height: 16),
-              visible: filteredCommunities.isNotEmpty,
+                Expanded(
-              replacement: const EmptySearchResultWidget(),
+                  child: Builder(
-              child: SidebarCommunitiesList(
+                    builder: (_) {
-                  scrollController: _scrollController,
+                      return SidebarCommunitiesList(
-                  onScrollToEnd: () {},
+                        scrollController: _scrollController,
-                  communities: filteredCommunities,
+                        onScrollToEnd: () {},
-                  itemBuilder: (context, index) {
+                        communities: filteredCommunities,
-                    if (index == filteredCommunities.length) {
+                        itemBuilder: (context, index) {
-                      final spaceTreeState = context.read<SpaceTreeBloc>().state;
+                          if (index == filteredCommunities.length) {
-                      if (spaceTreeState.paginationIsLoading) {
+                            final spaceTreeState = context.read<SpaceTreeBloc>().state;
-                        return const Padding(
+                            if (spaceTreeState.paginationIsLoading) {
-                          padding: EdgeInsets.all(8.0),
+                              return const Padding(
-                          child: Center(child: CircularProgressIndicator()),
+                                padding: EdgeInsets.all(8.0),
-                        );
+                                child: Center(child: CircularProgressIndicator()),
-                      } else {
+                              );
-                        return const SizedBox.shrink();
+                            } else {
-                      }
+                              return const SizedBox.shrink();
-                    }
+                            }
-                    return _buildCommunityTile(context, filteredCommunities[index]);
+                          }
-                  }),
+                          return _buildCommunityTile(context, filteredCommunities[index]);
+                        },
+                      );
+                    },
+                  ),
+                ),
+                if (spaceTreeState.paginationIsLoading || spaceTreeState.isSearching)
+                  Center(
+                    child: CircularProgressIndicator(),
+                  )
+              ],
             ),
-          ),
-        ],
-      ),
     );
   }