Build 509: Patch Notes

[h3]Summary of Changes:[/h3]
- Fixed: Objective name and status incorrect between rounds
- Fixed: Pop-up status dialogs not being displayed
- Change: Added SMG to German 'Last Stand' kit (experimental)
- Cursor sometimes get stuck on screen. ALT+ENTER can fix this issue for some users.
- Steam overlay opens when Alt+Tab back into the game. (Workaround: Change game window mode to full screen window or windowed in Graphics settings)
- After extended period of playing, rendering glitch can occur and leave trail behind cursor and other icons. Game restart is required.