MM-10272: Add a count for pinned posts header icon (#11840)

model/channel_stats.go

@@ -9,9 +9,10 @@ import (
 )
 
 type ChannelStats struct {
-	ChannelId   string `json:"channel_id"`
-	MemberCount int64  `json:"member_count"`
-	GuestCount  int64  `json:"guest_count"`
+	ChannelId       string `json:"channel_id"`
+	MemberCount     int64  `json:"member_count"`
+	GuestCount      int64  `json:"guest_count"`
+	PinnedPostCount int64  `json:"pinnedpost_count"`
 }
 
 func (o *ChannelStats) ToJson() string {