shows tooltip on SpaceCell.

lib/pages/space_management_v2/main_module/widgets/community_structure_canvas.dart

@@ -229,11 +229,15 @@ class _CommunityStructureCanvasState extends State<CommunityStructureCanvas>
             buildSpaceContainer: () {
               return Opacity(
                 opacity: hasNoSelectedSpace || isHighlighted ? 1.0 : 0.5,
+                child: Tooltip(
+                  message: space.spaceName,
+                  preferBelow: false,
                   child: SpaceCell(
                     onTap: () => _onSpaceTapped(space),
                     icon: space.icon,
                     name: space.spaceName,
                   ),
+                ),
               );
             },
             onTap: () => showDialog<void>(