Updated mediawiki/extensions
Project: mediawiki/extensions/TranslationNotifications  22c7bbd3e31061f60be8d37acac0ea069486de7a

Disable the submit button before the first preview

This makes the functionality closer to what the bug requested:
"force preview".

This is a follow up to I803484ca2eb768d89d4c6b8172e6aa14b7c3884a.

Bug: 39075
Change-Id: Ic43888d57791e2637c4aa52fc792dccf7fa1fa16