Address PR review comments and hardcode updater channel to stable

Agent-Logs-Url: https://github.com/nextcloud/all-in-one/sessions/c40941ff-2bf8-4a57-82be-2a0bd22b19a2

Co-authored-by: szaimen <42591237+szaimen@users.noreply.github.com>

Containers/nextcloud/config/aio.config.php

@@ -2,4 +2,5 @@
 $CONFIG = array (
   'one-click-instance' => true,
   'one-click-instance.user-limit' => 100,
+  'update_channel' => 'stable',
 );

Containers/nextcloud/entrypoint.sh

@@ -405,6 +405,8 @@ EOF
                     echo "Upgrade to latest major version failed! Check the output above for details."
                     exit 1
                 fi
+                # shellcheck disable=SC2016
+                installed_version="$(php -r 'require "/var/www/html/version.php"; echo implode(".", $OC_Version);')"
             fi
 # AIO update to latest end # Do not remove or change this line!
 

Containers/nextcloud/upgrade-latest-major.sh

@@ -30,8 +30,6 @@ if ! [ "$INSTALLED_MAJOR" -gt "$IMAGE_MAJOR" ]; then
         touch "$NEXTCLOUD_DATA_DIR/install.failed"
         exit 1
     fi
-    # shellcheck disable=SC2016
-    installed_version="$(php -r 'require "/var/www/html/version.php"; echo implode(".", $OC_Version);')"
 fi
 php /var/www/html/occ config:system:set updatechecker --type=bool --value=true
 php /var/www/html/occ app:enable nextcloud-aio --force