change order of missions (to keep sorting in reports)

VectoCore/VectoCore/Models/Declaration/Mission.cs

@@ -41,10 +41,11 @@ namespace TUGraz.VectoCore.Models.Declaration
 {
 	public enum LoadingType
 	{
-		FullLoading,
-		ReferenceLoad,
-		LowLoading,
+		// sort entries with increasing payload to get results ordered by increasing payload in declaration reports
 		EmptyLoading,
+		LowLoading,
+		ReferenceLoad,
+		FullLoading,
 	}
 
 	public class Mission