[3D] PNT mesh only: Internally computed tangent vectors need to recomputed if its assocated texCoords or points have changed

For performance reason we do a partial update of PNT mesh when it is modified. The current implementation doesn't recompute the cached tangent vectors once the mesh is created. This works fine if only normals is modified but it is a bug if points or texcoords is modified since they do change the TBN space.