Changes with Aloha.Editor 0.25.3

Bugfix RT57862

The sanitize contenthandler configuration is now loaded, even if it is set as a map.

If a configuration in Aloha.settings.contenthandler.sanitize was defined, this was never loaded unless
it was a text (‘restricted‘, ‘basic‘, ‘relaxed‘). If a map of objects was defined, this setting was
never loaded (see
With this fix, the sanitize object is loaded.

Bugfix RT57925

Dragging and dropping a table inside another table is not permitted.

Nested table are forbidden, but dragging and dropping tables inside tables
were permitted. With this fix this behavior is not allowed anymore.

Bugfix RT57942

The extra/formatlesspaste plugin now can remove tags that don‘t contain text (e.g. img)