Add metrics for composer threadgate (#9401)

* add metrics for composer threadgate

* add metrics to the in-thread version

* fix type error

src/logger/metrics.ts

@@ -203,6 +203,16 @@ export type MetricEvents = {
   'composer:gif:open': {}
   'composer:gif:select': {}
 
+  'composer:threadgate:open': {
+    nudged: boolean
+  }
+  'composer:threadgate:save': {
+    replyOptions: string
+    quotesEnabled: boolean
+    persist: boolean
+    hasChanged: boolean
+  }
+
   // Data events
   'account:create:begin': {}
   'account:create:success': {
@@ -514,6 +524,8 @@ export type MetricEvents = {
     [key: string]: any
   }
   'thread:click:headerMenuOpen': {}
+  'thread:click:editOwnThreadgate': {}
+  'thread:click:viewSomeoneElsesThreadgate': {}
   'activitySubscription:enable': {
     setting: 'posts' | 'posts_and_replies'
   }