Refactor manager menu to make it receive plugins

[MV88]

Description

This issue is a follow up of this one https://github.com/geosolutions-it/MapStore2/issues/7934#issuecomment-1164408798

in particular we wanted to make the Version plugin to be a a child of Manager menu but at the moment it does not have the possibility to receive plugins and it has an hardcoded list of entries.

we would like to change every entry of the manager menu as new plugins and remove hardcoding part

regarding the version plugin i suggest to add it to the burger menu and migrate every entry of manager manu to the burger menu

Acceptance criteria

• [ ] transform manager menu items in plugins ? to be confirmed
• [ ] migrate manager menu to burger menu
• [ ] remove manager menu
• [ ] check for breaking change and update migration guideline

Other useful information

@tdipisa is better to assign this task to a more experienced developer