Reassigning to a group creates a /u/ link in the @group mention

[Canapin (Coin-coin le Canapin)]

@Arkshine

It looks like it misses api.addGroupPostSmallActionCode("reassigned_group"); here:

discourse-assign/assets/javascripts/discourse-assign/initializers/extend-for-assigns.js at 69cbe1f3eeca90fb7207a47ecd265376d2142f18 · discourse/discourse-assign · GitHub

I added this line on my dev install and it indeed seems to fix the issue