Update tg_owt to support custom reflectors.

Telegram/build/docker/centos_env/Dockerfile

@@ -820,7 +820,7 @@ COPY --link --from=pipewire {{ LibrariesPath }}/pipewire-cache /
 RUN git init tg_owt \
 	&& cd tg_owt \
 	&& git remote add origin {{ GIT }}/desktop-app/tg_owt.git \
-	&& git fetch --depth=1 origin 3bb3d757681e6cc5135aec6529a753dc3dcdcfb9 \
+	&& git fetch --depth=1 origin afd9d5d31798d3eacf9ed6c30601e91d0f1e4d60 \
 	&& git reset --hard FETCH_HEAD \
 	&& git submodule update --init --recursive --depth=1 \
 	&& rm -rf .git \

Telegram/build/prepare/prepare.py

@@ -1426,7 +1426,7 @@ mac:
 stage('tg_owt', """
     git clone https://github.com/desktop-app/tg_owt.git
     cd tg_owt
-    git checkout 76a3513d7f
+    git checkout afd9d5d317
     git submodule init
     git submodule update
 win: