Updated mediawiki/extensions
Project: mediawiki/extensions/MobileFrontend  155c34fd377c8cca6548dd4e3cd4d5dcc3b49ed7

Hygiene: Throw JS exception on bad template file rather than PHP exception.

Bug: 56076

Change-Id: I69fd96b8c58ee8c0913f7a24d6174bcfc33ba574