Merge pull request #545 from ViniTou/EZP-29342-deleting-related-objec…

…t-bookmark

EZP-29342: Deleting related object for ezobjectrelations field throws error 500

src/bundle/Controller/ContentViewController.php

@@ -227,7 +227,7 @@ private function supplyContentActionForms(ContentView $view): void
         $bookmarkUpdateType = $this->formFactory->updateBookmarkLocation(
             new LocationUpdateBookmarkData(
                 $location,
-                $this->bookmarkService->isBookmarked($location)
+                $location ? $this->bookmarkService->isBookmarked($location) : false
             )
         );