* feat(ui/tracker): start tag n watch
* fix(tracker): test coverage, fix some watcher api
* fix(tracker): add intersectionobserver, adjust tests
* feat(tracker): relay + apollo plugins
* feat(ui): tags search
* feat(ui): tags name edit
* feat(ui): tags search icon
* feat(ui): icons for tabs in player
* feat(ui): save and find button
* feat(tracker): save tags in session storage (just in case)
* feat(ui): improve loading
* feat(ui): fix icon names gen
* feat(ui): fix typo
* feat(backend): added TagAndWatch backend support
* feat(backend): use msgIndex as a seqIndex
* feat(backend): try to use truncSqlIdx for seq_index
* feat(backend): added tags cache and tags filter to DB service
* feat(backend): removed debug logs
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Co-authored-by: nick-delirium <nikita@openreplay.com>