fix RCS thrust transform position offset

It needs to be moved in the frame of the thrust transform itself and not
relative to the parent transform...

Source/ROLib/ModelDef/ROLModelModule.cs

@@ -958,7 +958,7 @@ private void ConstructSubModels(Transform parent)
                     {
                         foreach (var thrustTransform in clonedModel.transform.FindChildren(rcsData.thrustTransformName))
                         {
-                            thrustTransform.localPosition += rcsData.thrustTransformPositionOffset;
+                            thrustTransform.position += thrustTransform.rotation * rcsData.thrustTransformPositionOffset;
                             thrustTransform.localScale *= rcsData.thrustTransformScaleOffset;
                         }
                     }