[BUGFIX] Fix type warnings in the workspaces ActionHandler

Resolves: #97425
Releases: main, 11.5
Change-Id: Ie3679f8a0f51ee2000ce45dfab1ea82bdc67c0ff
Reviewed-on: https://review.typo3.org/c/Packages/TYPO3.CMS/+/74349

Tested-by: core-ci <typo3@b13.com>
Tested-by: Stefan Bürk <stefan@buerk.tech>
Tested-by: Benni Mack <benni@typo3.org>
Reviewed-by: Stefan Bürk <stefan@buerk.tech>
Reviewed-by: Benni Mack <benni@typo3.org>

Build/phpstan/phpstan-baseline.neon

@@ -4670,11 +4670,6 @@ parameters:
 			count: 1
 			path: ../../typo3/sysext/setup/Classes/Controller/SetupModuleController.php
 
-		-
-			message: "#^Argument of an invalid type stdClass supplied for foreach, only iterables are supported\\.$#"
-			count: 1
-			path: ../../typo3/sysext/workspaces/Classes/Controller/Remote/ActionHandler.php
-
 		-
 			message: "#^Unsafe usage of new static\\(\\)\\.$#"
 			count: 1

typo3/sysext/workspaces/Classes/Controller/Remote/ActionHandler.php

@@ -176,7 +176,7 @@ class ActionHandler
     /**
      * Saves the selected columns to be shown to the preferences of the current backend user.
      *
-     * @param \stdClass $model
+     * @param array<\stdClass> $model
      */
     public function saveColumnModel($model)
     {