fix: display CKE notifications on the center of the page

Previously notifications were displayed too for down on the page. This caused layout issues where the editor disappeared.

related: quiqqer/ckeditor4#30

composer.json

@@ -2,7 +2,7 @@
     "name": "quiqqer\/ckeditor4",
     "type": "quiqqer-library",
     "description": "CKEditor for the QUIQQER CMS - enable the ckeditor for quiqqer",
-    "version": "dev-dev",
+    "version": "dev-master",
     "license": "GPL-2.0+",
     "authors": [
         {