Bucket list filter changes

[ksy36]

I've made these changes:

1. Changed the buttons on the buckets page to display buckets that are only in a selected state, so "Triaged" will only display triaged, "Logged" will only display bugs that are linked to a bugzilla bug (instead of these buckets being added to the same list).
2. Added filter by triage status (worksforme, invalid, etc.), it's displayed when selecting "Triaged" state.
3. Changed url hash from query string to a format that's closer to something that github search has, along the lines of #status=triaged&domain=example.com&triage_status=worksforme. It also supports multiple items with the same key, for future support for labels i.e .#status=triaged&label=nsfw&label=-worldcup2026.
4. Separated Advance query into a separate "mode", so it's possible to edit it and see results, but it won't be converted back into the simple filter or url.