Groups index page shows no visible groups before groups are loaded

[tgxworld (Alan Tan)]

Loading https://meta.discourse.org/g displays the “There are no visible groups” message before the request to load the groups have been completed.

[awesomerobot (Kris)]

I added this fix the other day

https://github.com/discourse/discourse/commit/ec0b4b2acc7d9c72740c542130f46b7946b37a8a