Fix token mismatch error for the Telegram bridge

Regression since 4e8543ce21

roles/matrix-bridge-mautrix-telegram/tasks/init.yml

@@ -7,7 +7,7 @@
     matrix_synapse_container_extra_arguments: >
       {{ matrix_synapse_container_extra_arguments|default([]) }}
       +
-      {{ ["--mount type=bind,src={{ matrix_mautrix_telegram_base_path }}/registration.yaml,dst=/matrix-mautrix-telegram-registration.yaml,ro"] }}
+      {{ ["--mount type=bind,src={{ matrix_mautrix_telegram_config_path }}/registration.yaml,dst=/matrix-mautrix-telegram-registration.yaml,ro"] }}
 
     matrix_synapse_app_service_config_files: >
       {{ matrix_synapse_app_service_config_files|default([]) }}