- rewrote LG data file cleanup. Now it complete rewrites the DVB-S channel information

- fixed opening editor when typing on keyboard
- persisting more user settings

ChanSort.Loader.TllFile/SatChannel.cs

@@ -22,6 +22,7 @@ namespace ChanSort.Loader.LG
       Transponder transponder = dataRoot.Transponder.TryGet(transponderIndex);
       Satellite sat = transponder.Satellite;
 
+      this.Transponder = transponder;
       this.Satellite = sat.Name;
       this.SatPosition = sat.OrbitalPosition;
       this.RecordOrder = order;