Improve Jellyfin playlist loading and modification performance times (#2184)

* Remove unneeded Fields from getPlaylistSongList

* Add optimized controller function for playlist addition duplication checks

* Remove Jellyfin People data handling

* move artist map inline

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Co-authored-by: Kendall Garner <17521368+kgarner7@users.noreply.github.com>

src/renderer/api/navidrome/navidrome-controller.ts

@@ -663,6 +663,11 @@ export const NavidromeController: InternalControllerEndpoint = {
             apiClientProps,
             query: { ...query, limit: 1, startIndex: 0 },
         }).then((result) => result!.totalRecordCount!),
+    getPlaylistSongIds: async (args) =>
+        NavidromeController.getPlaylistSongList(args).then((result) => ({
+            ...result,
+            items: result.items.map((song) => song.id),
+        })),
     getPlaylistSongList: async (args: PlaylistSongListArgs): Promise<PlaylistSongListResponse> => {
         const { apiClientProps, query } = args;