[KBFS-3331] Rows with uninteresting activity jumping to top of chat widget (#13829)
[KBFS-3331] Rows with uninteresting activity jumping to top of chat widget (#13829)

* Add filter for prioritizing widget notifications

* Reorder to have filter before partialSort

* Make requested changes for username variable

* Add lastState variable declaration

* Add lastState variable declaration

* Fix boolean linting error

* Refactor logic to return early

* Change partial sort max conversation to show

* Reorder filter and partial sort

* Add missing parameter for slice

keybase/client,keybase/client,keybase/client,keybase/client,keybase/client,keybase/client,keybase/client,keybase/client,keybase/client,keybase/client,keybase/client,keybase/client