[MP] Unused inHandler boolean in Menu_HandleKey.
Checked for true, but it was never true at this point, and never used afterwards.
[MP] Fixed pointer to out-of-scope local stack variable in ItemParse_asset_model.
[MP] Fixed pointer to out-of-scope local stack variable in Item_Paint.
[MP] Clean up UI_FindCurrentSiegeTeamClass.
Replaced if list with switch, and remove double SPC_SUPPORT check.
[MP] UI_UpdateSiegeStatusIcons unnecessary double assignment of pointer.
[MP] Switched a couple of UI array null checks to null string checks.
[MP] Safe string copy in UI_ParseAnimationFile
[MP] Tweaks to UI_DrawGLInfo
Still doesn't fix the issue(s) yet.