Updated mediawiki/extensions
Project: mediawiki/extensions/VisualEditor  a2587ce927f3fa89e20a6657c3809b1c31e7438c

Recalculate $resizable offset when positioning resize label

Because it can change. Currently the resize label is not
positioned correctly if you use three of four resize handles.

Change-Id: I1a28bc57fda1097c94047fd7690ad8d403cdd478