Patch v9.13.1

Changelog

# Visual Effects
-  Optimization pass.
-  Updated sprites for metal impacts.
-  Redone wood and cloth impacts.# Maps
## Kriegstadt Advance
-  Fixed the bug that prevented loading the map (removed bad reference to a missing package in a blocking volume).
-  Fixed Axis objective spawn hints on the Bank objective.## Jurques Advance
-  Fixed Axis minefields to disable artillery protection south of the town.## Gun Assault Push 
-  Added a new objective ("Trenches").
-  Minor balance fixes.
-  Fixed loading screen.## Leningrad Push
-  Changed spawns so they push defenders back when objectives are captured and not on cleared. 
-  Changes to vehicle roster to fix bottleneck near Axis spawn: 
  * T-34 is active initially.
  * KVs activates after the first objective.
  * Heavy KV activates after the second objective.

GitHub