Move addStaticFile() method call to proper place

Calling within ext_tables.php is bad practice and breaks TYPO3 extension
compatibility check.

Relates: #10077

Configuration/TCA/Overrides/sys_template.php

@@ -0,0 +1,11 @@
+<?php
+
+defined('TYPO3') or die();
+
+(static function (string $extensionKey, string $tableName) {
+    \TYPO3\CMS\Core\Utility\ExtensionManagementUtility::addStaticFile(
+        $extensionKey,
+        'Configuration/TypoScript',
+        'Events'
+    );
+})('events', 'sys_template');

Documentation/Changelog/3.1.0.rst

@@ -39,6 +39,9 @@ Fixes
 
 * Support import of png images from Destination One.
 
+* Do not break TYPO3 v11.5 extension compatibility check.
+  The ``addStaticFile()`` method has to be called from ``Configuration/TCA/Overrides/`` instead of ``ext_tables.php`` as this might break frontend.
+
 Tasks
 -----
 

ext_tables.php

@@ -4,8 +4,6 @@ defined('TYPO3') || die('Access denied.');
 
 call_user_func(
     function () {
-        \TYPO3\CMS\Core\Utility\ExtensionManagementUtility::addStaticFile('events', 'Configuration/TypoScript', 'Events');
-
         \TYPO3\CMS\Core\Utility\ExtensionManagementUtility::addLLrefForTCAdescr('tx_events_domain_model_event', 'EXT:events/Resources/Private/Language/locallang_csh_tx_events_domain_model_event.xlf');
         \TYPO3\CMS\Core\Utility\ExtensionManagementUtility::allowTableOnStandardPages('tx_ddevents_domain_model_event');