Refactor code for consistency and readability

- Removed unused imports and commented-out code
- Updated class inheritance for AuthState subclasses
- Reorganized code structure for better readability
- Cleaned up debug print statements and replaced with dart:developer logs

lib/utils/helpers/misc_string_helpers.dart

@@ -1,13 +1,12 @@
+import 'dart:developer' as developer;
 import 'dart:io';
 
-import 'package:flutter/material.dart';
-
 class StringHelpers {
   // TODO ( to Mohammad Salameh): convert this to extension method
   static String enhanceFileName(File file) {
     var fileName = " ";
     final filePath = file.path;
-    debugPrint(filePath);
+    developer.log(filePath);
     final fileStringArray = filePath.split("/");
     fileName = fileStringArray.last;
     if (fileName.length > 20) {

lib/utils/resource_manager/theme_manager.dart

@@ -207,7 +207,6 @@ abstract class ThemeManager {
     ),
 
     ///card theme
-    //TODO edit card theme
     cardTheme: const CardTheme(
       elevation: 0,
       shape: RoundedRectangleBorder(