feat: fine tune album art image size. better, but still not ideal

ui/src/album/AlbumDetails.js

@@ -21,9 +21,7 @@ const AlbumDetails = ({ classes, record }) => {
   return (
     <Card className={classes.container}>
       <CardMedia
-        image={subsonic.url('getCoverArt', record.coverArtId || 'not_found', {
-          size: 300
-        })}
+        image={subsonic.url('getCoverArt', record.coverArtId || 'not_found')}
         className={classes.albumCover}
       />
       <CardContent className={classes.albumDetails}>

ui/src/album/AlbumGridView.js

@@ -33,8 +33,8 @@ const useStyles = makeStyles((theme) => ({
   },
   cover: {
     display: 'inline-block',
-    maxWidth: '100%',
-    height: 'auto'
+    width: '100%',
+    height: '100%'
   },
   tileBar: {
     textAlign: 'center',