Disable jump-to in party-modes.

Vocaluxe/Screens/CScreenSong.cs

@@ -172,7 +172,7 @@ namespace Vocaluxe.Screens
                 {
                     if (_SearchActive)
                         _ApplyNewSearchFilter(_SearchText + keyEvent.Unicode);
-                    else
+                    else if(!_Sso.Selection.PartyMode)
                     {
                         _JumpTo(keyEvent.Unicode);
                         return true;