chatboxes: wait until messages are fixed before returning new chatbox

jcbrand · jcbrand · commit af514c668b57 · 2019-10-10T14:49:30.000+02:00
Fixes #1691
diff --git a/CHANGES.md b/CHANGES.md
@@ -3,7 +3,6 @@
 ## 6.0.0 (Unreleased)
 
 - #1691 Fix `collection.chatbox is undefined` errors
-- Prevent editing of sent file uploads.
 
 ### Breaking changes
 
