[BUGFIX] Make ckeditor link browser not drop CSS-Classes if editing a…

…gain

Fix the link browser to not drop the CSS-Class value with multiple classes
if editing the same link.

Resolves: #85182
Releases: master, 8.7
Change-Id: Id7819f25c6a456c379de406816e44d7d1d76157e
Reviewed-on: https://review.typo3.org/57439
Tested-by: TYPO3com <no-reply@typo3.com>
Reviewed-by: Christian Kuhn <lolli@schwarzbu.ch>
Tested-by: Christian Kuhn <lolli@schwarzbu.ch>

typo3/sysext/rte_ckeditor/Classes/Controller/BrowseLinksController.php

@@ -178,14 +178,6 @@ protected function initCurrentUrl()
             }
         }
 
-        if (!empty($this->currentLinkParts['class'])) {
-            // Only keep last class value (others are automatically added again by required option)
-            // https://review.typo3.org/#/c/29643
-            $currentClasses = GeneralUtility::trimExplode(' ', $this->currentLinkParts['class'], true);
-            if (count($currentClasses) > 1) {
-                $this->currentLinkParts['class'] = end($currentClasses);
-            }
-        }
         parent::initCurrentUrl();
     }