Hotfix 0.8.0.1

Added leaderboard button to Challenge selection screen
Challenge Selection UI now reloads when the weekly challenge reset
Fixed bug when viewing leaderboards for Southern Desert
Weekly Challenge end-screen now shows challenge type
Fixed an issue where flee missions would loop, resetting combat progress each time
Fixed rare issue where challenges would sometimes have less tactics than intended
Tweaks and improvements to UI
Scroll bar on the expanded news view can now be used to scroll through news history
Improved logic for Sniper Support player tactic
Improved zone-selection logic with Social Distancing Rebel Tactic