loading state and error handling refactor

lib/state/app/modules/files/bloc/files_bloc.dart

@@ -1,3 +1,4 @@
+import '../../../../../api/errors/error_mapper.dart';
 import '../../../../../api/marianumcloud/webdav/queries/listFiles/listFilesResponse.dart';
 import '../../../infrastructure/loadableState/loading_error.dart';
 import '../../../infrastructure/utilityWidgets/loadableHydratedBloc/loadable_hydrated_bloc.dart';
@@ -74,8 +75,9 @@ class FilesBloc extends LoadableHydratedBloc<FilesEvent, FilesState, FilesReposi
     }
     if (capturedError != null) {
       add(Error(LoadingError(
-        message: capturedError.toString(),
-        allowRetry: true,
+        message: errorToUserMessage(capturedError),
+        technicalDetails: errorToTechnicalDetails(capturedError),
+        allowRetry: errorAllowsRetry(capturedError),
       )));
     }
   }