feat(catalogue): tune a single-station catalogue on switch

beefy_player/app.py

@@ -1035,7 +1035,13 @@ class BeefyPlayerApp(App[None]):
             self.query_one(HeaderBar).refresh()
             self.query_one(StagePanel).refresh_stage()
             self.query_one(StatusBar).refresh()
-        self._set_notice(f"catalogue: {provider.name}", 3)
+
+        if self.audio_enabled and len(stations) == 1 and self.current is not None:
+            # A catalogue with one station has nothing to choose between:
+            # switching to it is the same as tuning it.
+            self._tune(self.current)
+        else:
+            self._set_notice(f"catalogue: {provider.name}", 3)
 
         if not self.offline:
             self._refresh_stations()