refactor: Switch to loading dialog

lib/utils/localized_exception_extension.dart

@@ -0,0 +1,23 @@
+import 'package:famedlysdk/famedlysdk.dart';
+import 'package:flutter/material.dart';
+import 'package:flutter_gen/gen_l10n/l10n.dart';
+
+extension LocalizedExceptionExtension on Object {
+  String toLocalizedString(BuildContext context) {
+    if (this is MatrixException) {
+      switch ((this as MatrixException).error) {
+        case MatrixError.M_FORBIDDEN:
+          return L10n.of(context).noPermission;
+        case MatrixError.M_LIMIT_EXCEEDED:
+          return L10n.of(context).tooManyRequestsWarning;
+        default:
+          return (this as MatrixException).errorMessage;
+      }
+    }
+    if (this is MatrixConnectionException) {
+      L10n.of(context).noConnectionToTheServer;
+    }
+    Logs().d('Something went wrong: ', this);
+    return L10n.of(context).oopsSomethingWentWrong;
+  }
+}