Profile follow client events (#9385)

* Add parameters to profile:follow

Track who was followed, whose profile generated the follow, and the position of the person who was followed in the list

* Add profileCard:seen event

* Don't send "profileCard:seen" event to Statsig

* Clean up

* prevent overzealous clearing

---------

Co-authored-by: Samuel Newman <mozzius@protonmail.com>

src/logger/metrics.ts

@@ -256,9 +256,12 @@ export type MetricEvents = {
   'bookmarks:view': {}
   'bookmarks:post-clicked': {}
   'profile:follow': {
+    contextProfileDid?: string
     didBecomeMutual: boolean | undefined
     followeeClout: number | undefined
+    followeeDid: string
     followerClout: number | undefined
+    position?: number
     logContext:
       | 'RecommendedFollowsItem'
       | 'PostThreadItem'
@@ -276,6 +279,11 @@ export type MetricEvents = {
       | 'ExploreSuggestedAccounts'
       | 'OnboardingSuggestedAccounts'
   }
+  'profileCard:seen': {
+    contextProfileDid?: string
+    profileDid: string
+    position?: number
+  }
   'suggestedUser:follow': {
     logContext:
       | 'Explore'