adjusted frontend event handling to optimize json payload size for different events, fixed incorrect behavior when currently playing track is removed from queue

frontend/wailsjs/go/playlist/Service.d.ts

@@ -15,4 +15,6 @@ export function GetAllPlaylistsWithTracks():Promise<Array<playlist.WithTracks>>;
 
 export function GetPlaylistTracks(arg1:number):Promise<Array<playlist.Track>>;
 
+export function RemoveTracksFromPlaylist(arg1:number,arg2:Array<number>):Promise<void>;
+
 export function SetContext(arg1:context.Context):Promise<void>;

frontend/wailsjs/go/playlist/Service.js

@@ -26,6 +26,10 @@ export function GetPlaylistTracks(arg1) {
   return window['go']['playlist']['Service']['GetPlaylistTracks'](arg1);
 }
 
+export function RemoveTracksFromPlaylist(arg1, arg2) {
+  return window['go']['playlist']['Service']['RemoveTracksFromPlaylist'](arg1, arg2);
+}
+
 export function SetContext(arg1) {
   return window['go']['playlist']['Service']['SetContext'](arg1);
 }