fix: salas removidas de vez, paginação no mural, mídia em largura total e teclado nos comentários

lib/utils/matrix_sdk_extensions/room_extension.dart

@@ -12,6 +12,31 @@ import 'package:tatchat/config/app_config.dart';
 /// different accounts.
 const String roomTypeStateEvent = 'tatuchat.room_type';
 
+/// Leaves the room and removes it from the local database so that it does not
+/// reappear on the next sync or app restart.
+Future<void> safeLeave(Room room) async {
+  try {
+    await room.leave();
+  } on MatrixException catch (e, s) {
+    // If the room was already left on the server (e.g. a stale local copy
+    // reappeared after a restart) the leave request fails, but the user
+    // intent (room not being listed anymore) is already fulfilled. Clean up
+    // locally instead of showing an error.
+    if (!{
+      MatrixError.M_FORBIDDEN,
+      MatrixError.M_NOT_FOUND,
+      MatrixError.M_UNKNOWN,
+    }.contains(e.error)) {
+      Logs().w('Failed to leave room ${room.id}', e, s);
+      rethrow;
+    }
+    Logs().w('Room ${room.id} is already gone, cleaning up locally...', e, s);
+  }
+  final client = room.client;
+  await client.database.forgetRoom(room.id);
+  client.rooms.remove(room);
+}
+
 extension RoomTypeExtension on Room {
   String? get roomType =>
       getState(roomTypeStateEvent)?.content.tryGet<String>('type');