Updated mediawiki/extensions
Project: mediawiki/extensions/UploadWizard  5f5080783b87deff36f8cc00e03a3c0c5231b6e1

Replace Firefogg callbacks with OOJS events

Cleaner, yay!

Bug: T77124
Change-Id: I7f8bf7f628862f7462e2599bf9e70d78bd97441e