Translating objects is laggy and off a bit

[florianblume]

When translating objects, the object lags behind the gizmo by a lot. I'm not sure where this comes from since having measured the time needed for computation it's below 1ms (from initialization to having computed and set the update). So, something weird must be going on in Qt3D internally that it's so lagging behind.

Also, the translation is off by a bit when moving to the borders of the view and the object is not exactly under the mouse compared to how it was when translation started.