onSelectMedia method

Implementation

onSelectMedia() async {
  try {
    final selectedFile = await _picker.pickImage(source: ImageSource.gallery);
    if (selectedFile != null) {
      uploadPhoteChat(selectedFile);
    }
  } catch (error) {
    if (kDebugMode) {
      print("error selecting image from gallery ==> $error");
    }
  }
}