0.96.7 Discord Update to playerNamespace

[Wyqer]

Q	A
Bug fix?	no
New feature?	no
Needs wipe?	no

Description:

The state update for the Discord Rich Presence Mod from @ConnorAu is moved from ui_manager to playerNamespace and got automatic recognition of the state, if no state is given in the call.

Content:

• [x] Moved Discord update call to playerNamespace
• [x] Changed indentation in ui_manager.sqf to spaces

Successfully tested on:

• [ ] Local MP
• [ ] Dedicated MP