fix: deleted tasks project surfing fixed

Author: SGI-CAPP-AT2

lib/app/v3/db/task_database.dart

@@ -107,8 +107,10 @@ class TaskDatabase {
 
   Future<void> deleteAllTasksInDB() async {
     await ensureDatabaseIsOpen();
-    await _database!.delete(
+    debugPrint("Delete All Tasks !");
+    await _database!.update(
       'Tasks',
+      {'status': 'deleted'},
     );
   }
 
@@ -295,9 +297,10 @@ class TaskDatabase {
     await taskDatabase.open();
     await taskDatabase.ensureDatabaseIsOpen();
 
-    final List<Map<String, dynamic>> result = await taskDatabase._database!
-        .rawQuery(
-            'SELECT DISTINCT project FROM Tasks WHERE project IS NOT NULL');
+    final List<
+        Map<String,
+            dynamic>> result = await taskDatabase._database!.rawQuery(
+        'SELECT DISTINCT project FROM Tasks WHERE project IS NOT NULL AND status IS NOT "deleted"');
 
     return result.map((row) => row['project'] as String).toList();
   }