[ticket/17176] Use Symfony name for event dispatcher

The previously used override of the names is no longer supported.

PHPBB3-17176

phpBB/config/default/container/services.yml

@@ -46,7 +46,7 @@ services:
              - '@cache.driver'
              - '@config'
              - '@dbal.conn'
-             - '@dispatcher'
+             - '@event_dispatcher'
              - '%core.root_path%'
              - '%core.php_ext%'
 
@@ -97,7 +97,7 @@ services:
             - '@config'
             - '@cron.manager'
             - '@dbal.conn'
-            - '@dispatcher'
+            - '@event_dispatcher'
             - '@language'
             - '@request'
             - '@routing.helper'
@@ -132,7 +132,7 @@ services:
             - '@cache'
             - '@config'
             - '@language'
-            - '@dispatcher'
+            - '@event_dispatcher'
             - '@path_helper'
             - '@user'
 
@@ -142,7 +142,7 @@ services:
             - '@dbal.conn'
             - '@user'
             - '@auth'
-            - '@dispatcher'
+            - '@event_dispatcher'
             - '%core.root_path%'
             - '%core.adm_relative_path%'
             - '%core.php_ext%'