- 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/TllChannelBase.cs

@@ -30,7 +30,7 @@ namespace ChanSort.Loader.LG
 
     protected readonly DataMapping mapping;
     protected readonly byte[] rawData;
-    internal readonly int baseOffset;
+    internal int baseOffset;
 
     protected TllChannelBase(DataMapping data)
     {