Updated mediawiki/extensions
Project: mediawiki/extensions/Agora  adc0d660de1db60b1d85df813117a971652a0864

Only use .mw-ui-button to select buttons

Avoid redundant sub-selections like .mw-ui-button button.

Change-Id: I9bbe60ab738499e32d7fb92e070b0db0aed75f56