Fixed an issue when editing an object's position

[Walter-Correa]

The speed of moving the object and also the accuracy were compromised due to the use of:

SetObjectPos(objectid, fX, fY, fZ);
SetObjectRot(objectid, fRotX, fRotY, fRotZ);

This fix may also fully or partially solve this problem: https://github.com/fusez/Map-Editor-V3/issues/3