SongSelect: compare id before clearing currentSongCache

Add id check to currentSongCache clearing.
Fixes subtitle rendering if title matches but not the same song.
Titles are not guaranteed to be unique, but ids are.
Title check is still here for tiles that are not songs.

public/src/js/songselect.js

@@ -1089,7 +1089,8 @@ class SongSelect{
 			highlight = 0
 		}
 		
-		if(this.currentSongTitle !== currentSong.title){
+		if(this.currentSongId !== currentSong.id || this.currentSongTitle !== currentSong.title){
+			this.currentSongId = currentSong.id
 			this.currentSongTitle = currentSong.title
 			this.currentSongCache.clear()
 		}