Make Door action: added missing activation properties for maps in Hexen and UDMF map formats.

Make Door action: made Make Door form a bit smaller.
Make Door action: sector highlight was not updated after performing the action when a single sector was selected.

Source/Plugins/BuilderModes/ClassicModes/SectorsMode.cs

@@ -1421,6 +1421,7 @@ namespace CodeImp.DoomBuilder.BuilderModes
 						orderedselection.Clear();
 						General.Map.Map.ClearSelectedSectors();
 						General.Map.Map.ClearSelectedLinedefs();
+						updateOverlaySurfaces();//mxd
 					}
 				}