build fixes

backend/src/MediaPlayer.ts

@@ -172,8 +172,8 @@ export class MediaPlayer {
         return this.favoritesStore.getFavorites();
     }
 
-    public async addFavorite(item: PlaylistItem) {
-        return this.favoritesStore.addFavorite(item);
+    public async addFavorite(filename: string) {
+        return this.favoritesStore.addFavorite(filename);
     }
 
     public async removeFavorite(filename: string) {

frontend/src/components/SongRow.tsx

@@ -1,6 +1,6 @@
 import classNames from 'classnames';
 import React, { useState, useRef, useEffect, ReactNode } from 'react';
-import { FaPlay, FaVolumeUp, FaVolumeOff, FaHeart } from 'react-icons/fa';
+import { FaPlay, FaVolumeUp, FaVolumeOff } from 'react-icons/fa';
 import { getDisplayTitle, PlaylistItem } from '../api/player';
 
 export enum PlayState {