Updated mediawiki/extensions
Project: mediawiki/extensions/MobileFrontend  3f4169c2da697bcd287449d1d3eb2f8869927da5
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only close notifications with class locked via button

this is important for calls to action which may contain links or
be clickable themselves - only clicking the close button will remove
them

added styling for toast notification button in this mode (previously
hidden at all times)

Change-Id: I8433cc1cf7364ae63a9911d7352d72fa7927daa0