onBeforePageDisplay does in fact deliver the skin if $wgAgoraEnabledSiteWide is true, as one would hope.

Change-Id: Ic353b962fac9a058d5ebfd9a3d0dd325f67e8d9c
Merge "onBeforePageDisplay does in fact deliver the skin if $wgAgoraEnabledSiteWide is true, as one would hope."