feat(ui): add Play Artist's Top Songs button (#4204)

* ui: add Play button to artist toolbar

* refactor

Signed-off-by: Deluan <deluan@navidrome.org>

* test(ui): add tests for Play button functionality in ArtistActions

Signed-off-by: Deluan <deluan@navidrome.org>

* ui: update Play button label to Top Songs in ArtistActions

Signed-off-by: Deluan <deluan@navidrome.org>

---------

Signed-off-by: Deluan <deluan@navidrome.org>

ui/src/i18n/en.json

@@ -127,6 +127,7 @@
         "performer": "Performer |||| Performers"
       },
       "actions": {
+        "topSongs": "Top Songs",
         "shuffle": "Shuffle",
         "radio": "Radio"
       }
@@ -415,6 +416,7 @@
     "transcodingEnabled": "Navidrome is currently running with %{config}, making it possible to run system commands from the transcoding settings using the web interface. We recommend to disable it for security reasons and only enable it when configuring Transcoding options.",
     "songsAddedToPlaylist": "Added 1 song to playlist |||| Added %{smart_count} songs to playlist",
     "noSimilarSongsFound": "No similar songs found",
+    "noTopSongsFound": "No top songs found",
     "noPlaylistsAvailable": "None available",
     "delete_user_title": "Delete user '%{name}'",
     "delete_user_content": "Are you sure you want to delete this user and all their data (including playlists and preferences)?",