Force unpause when window focus gained in UI menus

Source/DiabloUI/diabloui.cpp

@@ -458,7 +458,7 @@ void UiHandleEvents(SDL_Event *event)
 		} else if (event->window.event == SDL_WINDOWEVENT_FOCUS_LOST) {
 			music_mute();
 		} else if (event->window.event == SDL_WINDOWEVENT_FOCUS_GAINED) {
-			music_unmute();
+			diablo_focus_unpause();
 		}
 	}
 #endif

Source/diablo.cpp

@@ -1848,10 +1848,6 @@ void diablo_focus_pause()
 
 void diablo_focus_unpause()
 {
-	if (gbIsMultiplayer || !MinimizePaused) {
-		return;
-	}
-
 	if (!GameWasAlreadyPaused) {
 		PauseMode = 0;
 	}