[enhancement]: Muli object/state selection

[darkiop]

No existing issues.

• [X] There is no existing issue for my request.

Related problems

Multiselection in object browser is not possible

Description

Add a checkbox to each object/state for multi-selection. Additionally a multi selection with CMD-Key (MacOS) or STRG (Windows) is usefull. With that a deletion of objects/states is a bit faster ;)

Additional context

No response