Don't enable Steam Runtime when switching to wine-ge-proton

`wine-ge-proton` contains `proton` in its name, which caused Bottles to enable the Steam Runtime.

bottles/backend/runner.py

@@ -89,7 +89,7 @@ def runner_update(config: BottleConfig, manager: 'Manager', runner: str) -> Resu
         the host system. There are some exceptions, like the Soda and Wine-GE runners,
         which are built to work without the Steam Runtime.
         """
-        if "proton" in runner.lower() and RuntimeManager.get_runtimes("steam"):
+        if "proton" in runner.lower() and not runner.startswith("wine-ge-proton") and RuntimeManager.get_runtimes("steam"):
             manager.update_config(config, "use_steam_runtime", True, "Parameters")
 
         return Result(