Studio-client may not have updated plugins when run with docker compose

Docker compose does not recreate anonymous volumes if not configured explicitly on the command-line. In case plugins are downloaded externally and then mounted into the container, the guard would have prevented an update but it would also have prevented that a corrupted studio-client would be created by running the installation on a dirty anonymous volume.

(CMS-29741)

Problematic Cleanup Steps in Dockerfiles Removed

Cleanup steps with recursive removals in `Dockerfile.tasks` have been removed. Those could lead to failures in image build and were not relevant anyhow.

(CMS-27910)

Skip unnecessary save action

Method setValue of CKEditor5RichTextArea does not trigger a save action anymore.

(CMS-27643)

Fixed handling of validity dates after drag & drop

An issue where validity date changes after drag & drop could affect an adjacent item has been fixed.

(CMS-22603)

LinkListPropertyField allows reordering at max cardinality

Reordering items via drag and drop is now possible even when a LinkListPropertyField has reached its configured maxCardinality.

(CMS-21814)

Fixed: postMessage origin error

Analysis: InnerPreviewPanelBase#updateNativeScrolling() attempts postMessages too early on the preview iframe. At that point, the iframe is not yet set up and cannot property determine its origin. Fix: Added an additional check for the current origin of the IFrame.

(CMS-21564)