Launcher: fix shortcuts on the AppImage (#5726)

* fix appimage executable reference

* adjust working dir

* use argv0 instead of appimage directly

* set noexe on frozen

Launcher.py

@@ -218,12 +218,17 @@ def launch(exe, in_terminal=False):
 
 def create_shortcut(button: Any, component: Component) -> None:
     from pyshortcuts import make_shortcut
-    script = sys.argv[0]
-    wkdir = Utils.local_path()
+    env = os.environ
+    if "APPIMAGE" in env:
+        script = env["ARGV0"]
+        wkdir = None # defaults to ~ on Linux
+    else:
+        script = sys.argv[0]
+        wkdir = Utils.local_path()
 
     script = f"{script} \"{component.display_name}\""
     make_shortcut(script, name=f"Archipelago {component.display_name}", icon=local_path("data", "icon.ico"),
-                  startmenu=False, terminal=False, working_dir=wkdir)
+                  startmenu=False, terminal=False, working_dir=wkdir, noexe=Utils.is_frozen())
     button.menu.dismiss()