feat: FlatpakOverridePage WIP

dzgui/util/bash.py

@@ -1,5 +1,12 @@
 import shlex
 
+from dzgui.const.constants import STEAM_CMD
+from dzgui.init.proc import is_sandboxed
+
 
 def concat_bash_args(command: str) -> list[str]:
+    # NOTE: NSGs spawned from sandbox cannot access host application commands,
+    # so fallback to Steam internal URIs
+    if is_sandboxed():
+        return [STEAM_CMD]
     return shlex.split(command)