[BUGFIX] Prevent undefined array key in UserIntInformation

Resolves: #100742
Releases: main, 11.5
Change-Id: Ibff1f2da48192a23d3fe6e5404c95f3b7e6c8ae8
Reviewed-on: https://review.typo3.org/c/Packages/TYPO3.CMS/+/78852


Reviewed-by: Oliver Klee <typo3-coding@oliverklee.de>
Tested-by: Georg Ringer <georg.ringer@gmail.com>
Tested-by: core-ci <typo3@b13.com>
Reviewed-by: Georg Ringer <georg.ringer@gmail.com>

typo3/sysext/adminpanel/Classes/Modules/Info/UserIntInformation.php

@@ -88,7 +88,7 @@ class UserIntInformation extends AbstractSubModule implements DataProviderInterf
 
         foreach ($intScripts as $intScriptName => $intScriptConf) {
             $info = isset($intScriptConf['type']) ? ['TYPE' => $intScriptConf['type']] : [];
-            foreach ($intScriptConf['conf'] as $key => $conf) {
+            foreach (($intScriptConf['conf'] ?? []) as $key => $conf) {
                 if (is_array($conf)) {
                     $conf = ArrayUtility::flatten($conf);
                 }