fix screen subtitles

app.py

@@ -483,6 +483,10 @@ class ArtistsGUI(Screen):
             artist_panel.set_artist(self.artists[self.artists_displayed])
             self.artists_displayed += 1
 
+    @on(events.ScreenResume)
+    def on_screen_resume(self, event: events.ScreenResume) -> None:
+        app.sub_title = "Artists"
+
     def update_pager(self) -> None:
         pager = self.query_one("#page-counter", Label)
         pager.update(f"{self.page} ... {self.pages}")
@@ -587,6 +591,10 @@ class Albums(Screen):
         for album in self.albums:
             albumTable.add_row(album.title, album.artist, album.songCount, album.playCount, album.year, album.duration, key=album.id)
 
+    @on(events.ScreenResume)
+    def on_screen_resume(self, event: events.ScreenResume) -> None:
+        app.sub_title = "Albums"
+
     @on(DataTable.RowSelected)
     def album_selected(self, event: DataTable.RowSelected) -> None:
         app.install_screen(AlbumSongs(event.row_key.value), 'albumSongs')
@@ -630,6 +638,10 @@ class Playlists(Screen):
         for playlist in self.playlists:
             playlistTable.add_row(playlist.name, playlist.songCount, playlist.duration, playlist.owner, key=playlist.id)
 
+    @on(events.ScreenResume)
+    def on_screen_resume(self, event: events.ScreenResume) -> None:
+        app.sub_title = "Playlists"
+
     @on(DataTable.RowHighlighted)
     def row_highlighted(self, event: DataTable.RowHighlighted) -> None:
         self.selected_playlist_id = event.row_key.value
@@ -756,6 +768,10 @@ class SongsScreen(Screen):
         self.mode = e.index
         self.update_datatable()
 
+    @on(events.ScreenResume)
+    def on_screen_resume(self, event: events.ScreenResume) -> None:
+        app.sub_title = "Songs"
+
     def _get_offset(self) -> int:
         return (self.page[self.mode]) * 30