Replaced csApi config with proxy container url

roles/custom/matrix-media-repo/defaults/main.yml

@@ -135,7 +135,7 @@ matrix_media_repo_homeservers:
     - name: "{{ matrix_server_fqn_matrix }}"
 
       # The base URL to where the homeserver can actually be reached
-      csApi: "https://{{ matrix_server_fqn_matrix }}/"
+      csApi: "http://{{ matrix_nginx_proxy_proxy_matrix_client_api_addr_with_container }}"
 
       # The number of consecutive failures in calling this homeserver before the
       # media repository will start backing off. This defaults to 10 if not given.