fix(twitch/chat): hide community events

[loczek]

Proposed changes

The Hide Community Highlights now works when there is more that one event present and Hide Channel Leaderboard hides the leaderboard when the event stack is open

Here are some screenshot when these two options are enabled.

before	before (open event stack)	after

Types of changes

What types of changes does your code introduce to 7TV?
Put an x in the boxes that apply

• Bugfix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to not work as expected)
• Documentation Update (if none of the other choices apply)

Checklist

Put an x in the boxes that apply. You can also fill these out after creating the PR. If you're unsure about any of them, don't hesitate to ask. We're here to help! This is simply a reminder of what we are going to look for before merging your code.

• I have read the CONTRIBUTING doc
• I have added necessary documentation (if appropriate)
• Any dependent changes have been merged