Merge branch '64716-add-return-false-to-cell-click-events' into '7.1.x'

ref #64716: add return false to cell click events

See merge request chameleon-system-oss/chameleon-base!100

src/CoreBundle/private/library/classes/TGroupTable/TGroupTableField.class.php

@@ -224,7 +224,7 @@ private function getLinkData(array $row, ?string $onClickEvent): array
                 }
                 $linkEvent .= "'".$this->getLinkField($row, $linkField)."'";
             }
-            $linkEvent .= ');';
+            $linkEvent .= '); return false;';
         }
 
         return [