fixed #2260 - spec chat should use contrast

mods/ra/chrome/ingame.yaml

@@ -333,11 +333,13 @@ Container@OBSERVER_ROOT:
 			Height: 200
 			DrawBackground: False
 			RemoveTime:250
+			UseContrast: yes
 		ChatEntry@CHAT_ENTRY:
 			X:250
 			Y:WINDOW_BOTTOM - HEIGHT
 			Width: 760
 			Height: 30
+			UseContrast: yes
 		Background@PERF_BG:
 			ClickThrough:true
 			Background:dialog4