Fix notifications

[peternewnham]

This fix updates the selectors used to determine whether there is a notification for in Hangouts Chat.

Additionally fixes an issue with indirect message count not being incremented correctly

Issue was originally logged at https://github.com/meetfranz/franz/issues/1456

[helms-charity]

Hi, I want to try out your fix, but my question is what is the difference between Hangouts Chat and this Hangouts recipe? https://github.com/meetfranz/recipe-hangouts
THanks...

[peternewnham]

This recipe is for Hangouts Chat (chat.google.com) which is a different product to Classic Hangouts (hangouts.google.com) which the recipe you linked to is for

[ilopmar]

I was about to open an issue and I've found this PR 👍
@adlk do you plan to merge this? or is it some kind of snapshot version that includes it so we can test it? Thanks!

[jerivas]

Please merge! I've missed so many Chat notifications because of the missing dot

[ilopmar]

Is there anything we can do to help with the test so this can be merged? Thanks :)

[Llorx]

Sorry for being pushy, but we are already in 2020 and Hangouts Chat is still buggy. Merge?

[ilopmar]

I discovered how to add the recipe locally so I cloned the repo, merged the pending PRs and publish it here: https://github.com/ilopmar/recipe-hangoutschat with the instructions on how to use it. I've been using it for a couple of weeks without any problem and I get notifications working :-)