Searching for atoms only works if the colon is included in the query

[lardcanoe]

Go to https://hexdocs.pm/phoenix_live_view and search for temporary_assigns and it finds no results. If you instead search for :temporary_assigns you get results. I knew that atom was there so I had the thought to put the colon in, but if you don't know then you might just assume it really isn't in the docs.

https://hexdocs.pm/phoenix_live_view/search.html?q=temporary_assigns
vs
https://hexdocs.pm/phoenix_live_view/search.html?q=%3Atemporary_assigns

[josevalim]

Fixed by #1960.