Finish to fix notices

lib/utils/files_utils.dart

@@ -32,8 +32,6 @@ Future<BytesFile?> pickImage(BuildContext context,
 /// Throws in case of failure
 Future<File> generateTemporaryFile() async {
   final tempDir = await getTemporaryDirectory();
-  if (tempDir == null)
-    throw Exception("Could not generate temporary directory!");
   return File(path.join(tempDir.path, randomString(15, from: 65, to: 90)));
 }