Garrison module pt4 (Garrison dialog)

[Wyqer]

Q	A
Bug fix?	no
New feature?	yes
Needs wipe?	no
Fixed issues	#587

Description:

Part 4 of the garrison module was about finishing the garrison dialog. It is now designed and hold functionalities to manage player side garrisons by adding AI groups/units which are near the sector and also ungarrison units from the garrison again.
Furthermore a permission setting was added to allow specific users access to the garrison management, if no admin is online.
The issue with old vehicles in enemy garrisons after switching the army presets was also adressed and fixed in this task.

Current look of the garrison dialog:

Content:

• Finished garrison management dialog design
• Ungarrison infantry/vehicles via dialog from garrisons
• Add AI units/groups to a garrison via dialog
• Fixed issue that garrison vehicles aren't reinitialized upon preset change
• Permission for garrison dialog access

Successfully tested on:

• Local MP
• Dedicated MP

[Wyqer]

@KillahPotatoes/kplib-testers
It would be great if you start some testing on the mentioned functionality and give it a test in dedicated environment.

[Dubjunk]

Really nice work on the dialog 👍