Add KnownFollowers component to standard profile header (#4420)

* Add KnownFollowers component to standard profile header

* Prep for known followers screen

* Add known followers screen

* Tighten space

* Add pressed state

* Edit title

* Vertically center

* Don't show if no known followers

* Bump sdk

* Use actual followers.length to show

* Updates to show logic, space

* Prevent fresh data from applying to cached screens

* Tighten space

* Better label

* Oxford comma

* Fix count logic

* Add bskyweb route

* Useless ternary

* Minor spacing tweak

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Co-authored-by: Paul Frazee <pfrazee@gmail.com>

src/lib/routes/types.ts

@@ -15,6 +15,7 @@ export type CommonNavigatorParams = {
   Profile: {name: string; hideBackButton?: boolean}
   ProfileFollowers: {name: string}
   ProfileFollows: {name: string}
+  ProfileKnownFollowers: {name: string}
   ProfileList: {name: string; rkey: string}
   PostThread: {name: string; rkey: string}
   PostLikedBy: {name: string; rkey: string}