notification filter / storage change

[fanno]

• Moved notification data to the plugin side.
• Moved filter of notifications to the plugin side so if all notifications happen to be muted no popup will happen at all.

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• The target of this PR is the main branch.
• No commits are missing from forked base branch (e.g. modified main branch instead of dev)
• You have squashed commits that might be considered: 'noisy' or partial, e.g. not candidates for cherry picking
• All test pass, run npm test
• The code is formatted, run npm run format
• You have updated or added test cases, as/if required
• You have installed and tried out the plugin in a supported browser

[arr0ganc3s]

please resolve the conflicts

[fanno]

I was not able to Squask the merge with the fixed issue commit. so it had to make it like this

it's also retested in chrome and firefox and npm run test