fix: raw command doesn't update from outside sources

Author: XeroxDev

src/VoiceMeeterPlugin/Actions/RawCommand.cs

@@ -65,7 +65,7 @@ protected override Boolean OnLoad()
     {
         this.VmService.Parameters
             .TakeUntil(this.OnDestroy)
-            .Subscribe(_ => this.AdjustmentValueChanged());
+            .Subscribe(_ => this.ActionImageChanged());
 
         return base.OnLoad();
     }