Fixes play icon color in "Light" theme (#972)

* fix(ui/src/album): White play button on hover for all themes - #960

* fix(PlayButton) : White play button for light theme - #960

* fix(PlayButton) : White play button for light theme - #960

* bug(AlbumGridView.js) - Album play button defaults to white, can be overridden - #960

Signed-off-by: Shishir <shishir.srik@gmail.com>

* bug(AlbumGridView.js) - Album play button defaults to white, can be overridden - #960

* Reverted package.json and package-lock.json - #960

Signed-off-by: Shishir <shishir.srik@gmail.com>

* Missing lint script added - #960

Signed-off-by: Shishir <shishir.srik@gmail.com>

* Removed color, added className and made record required in PlayButton.propTypes - #960

ui/src/album/AlbumGridView.js

@@ -73,7 +73,7 @@ const useStyles = makeStyles(
       textDecoration: 'none',
     },
     albumContainer: {},
-    albumPlayButton: {},
+    albumPlayButton: { color: 'white' },
   }),
   { name: 'NDAlbumGridView' }
 )
@@ -128,7 +128,6 @@ const AlbumGridTile = ({ showArtist, record, basePath }) => {
           subtitle={
             <PlayButton
               className={classes.albumPlayButton}
-              color={'white'}
               record={record}
               size="small"
             />