fix(save drive state) validate last logged in user before clean database

lib/blocs/sync/sync_cubit.dart

@@ -286,6 +286,10 @@ class SyncCubit extends Cubit<SyncState> {
 
       syncFormatedPrint('Current block height number $currentBlockHeight');
 
+      drives.forEach((drive) {
+        syncFormatedPrint('Drive last block height: ${drive.lastBlockHeight!}');
+      });
+
       final driveSyncProcesses = drives.map((drive) => _syncDrive(
             drive.id,
             lastBlockHeight: calculateSyncLastBlockHeight(
@@ -560,6 +564,7 @@ class SyncCubit extends Cubit<SyncState> {
         200 ~/ (_syncProgress.drivesCount - _syncProgress.drivesSynced);
     var currentDriveEntitiesSynced = 0;
     var driveSyncProgress = 0.0;
+    syncFormatedPrint('_syncSecondPhase: $currentBlockHeight');
 
     syncFormatedPrint(
         'number of drives at get metadata phase : ${_syncProgress.numberOfDrivesAtGetMetadataPhase}');
@@ -623,6 +628,8 @@ class SyncCubit extends Cubit<SyncState> {
 
           // Handle the last page of newEntities, i.e; There's nothing more to sync
           if (newEntities.length < pageCount) {
+            syncFormatedPrint(
+                'Saving last block height at _paginateProcess. $currentBlockHeight');
             // Reset the sync cursor after every sync to pick up files from other instances of the app.
             // (Different tab, different window, mobile, desktop etc)
             await _driveDao.writeToDrive(DrivesCompanion(

lib/pages/app_router_delegate.dart

@@ -86,7 +86,12 @@ class AppRouterDelegate extends RouterDelegate<AppRoutePath>
           // TODO: Find a better place to do this
           final lastLoggedInUser =
               state is ProfileLoggedIn ? state.walletAddress : null;
-          context.read<DriveDao>().deleteSharedPrivateDrives(lastLoggedInUser);
+          if (lastLoggedInUser != null) {
+            print('deleteSharedPrivateDrives $lastLoggedInUser');
+            context
+                .read<DriveDao>()
+                .deleteSharedPrivateDrives(lastLoggedInUser);
+          }
         },
         builder: (context, state) {
           Widget? shell;