Enhancements to Yeti indicators (#3038)

* Fix some logic

* Add new emojis

* Add yeti triage for triage indicators

* Moar emojis

* Support intelligence additions

* Port changes to the existing yetiindicators analyzer

* cleanup

* rm staging file

* Fix tests

* Remove placeholder

* Fix some errors

* Fix long lines

* Change | to Union

* Update yetiindicators.py

* Update yetiindicators_test.py

* Sorted assert

* ruff formatting

* Update timesketch/lib/analyzers/yetiindicators.py

Co-authored-by: Johan Berggren <[email protected]>

* Address reviewer comments

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Co-authored-by: Johan Berggren <[email protected]>