feat: Rework error handling, upgrade dio, fixed bugs

- Fix grey screen bug when adding labels from documnet upload
- Add more permission checks to conditionally show widgets

lib/features/edit_label/view/impl/edit_correspondent_page.dart

@@ -24,10 +24,8 @@ class EditCorrespondentPage extends StatelessWidget {
               context.read<EditLabelCubit>().replaceCorrespondent(label),
           onDelete: (context, label) =>
               context.read<EditLabelCubit>().removeCorrespondent(label),
-          canDelete: LocalUserAccount.current.paperlessUser.hasPermission(
-            PermissionAction.delete,
-            PermissionTarget.correspondent,
-          ),
+          canDelete:
+              LocalUserAccount.current.paperlessUser.canDeleteCorrespondents,
         );
       }),
     );

lib/features/edit_label/view/impl/edit_document_type_page.dart

@@ -22,10 +22,8 @@ class EditDocumentTypePage extends StatelessWidget {
             context.read<EditLabelCubit>().replaceDocumentType(label),
         onDelete: (context, label) =>
             context.read<EditLabelCubit>().removeDocumentType(label),
-        canDelete: LocalUserAccount.current.paperlessUser.hasPermission(
-          PermissionAction.delete,
-          PermissionTarget.documentType,
-        ),
+        canDelete:
+            LocalUserAccount.current.paperlessUser.canDeleteDocumentTypes,
       ),
     );
   }

lib/features/edit_label/view/impl/edit_storage_path_page.dart

@@ -23,10 +23,7 @@ class EditStoragePathPage extends StatelessWidget {
             context.read<EditLabelCubit>().replaceStoragePath(label),
         onDelete: (context, label) =>
             context.read<EditLabelCubit>().removeStoragePath(label),
-        canDelete: LocalUserAccount.current.paperlessUser.hasPermission(
-          PermissionAction.delete,
-          PermissionTarget.storagePath,
-        ),
+        canDelete: LocalUserAccount.current.paperlessUser.canDeleteStoragePaths,
         additionalFields: [
           StoragePathAutofillFormBuilderField(
             name: StoragePath.pathKey,

lib/features/edit_label/view/impl/edit_tag_page.dart

@@ -26,10 +26,7 @@ class EditTagPage extends StatelessWidget {
             context.read<EditLabelCubit>().replaceTag(label),
         onDelete: (context, label) =>
             context.read<EditLabelCubit>().removeTag(label),
-        canDelete: LocalUserAccount.current.paperlessUser.hasPermission(
-          PermissionAction.delete,
-          PermissionTarget.tag,
-        ),
+        canDelete: LocalUserAccount.current.paperlessUser.canDeleteTags,
         additionalFields: [
           FormBuilderColorPickerField(
             initialValue: tag.color,