Implement some team endpoints for APIv4 (#5745)

* Implement PUT /teams/{team_id} endpoint for APIv4

* Implement GET /users/{user_id}/teams/{team_id}/unread endpoint for APIv4

* Implement POST /teams/{team_id}/members/ids endpoint for APIv4

* Remove debug statement

model/team_member.go

@@ -31,6 +31,15 @@ func (o *TeamMember) ToJson() string {
 	}
 }
 
+func (o *TeamUnread) ToJson() string {
+	b, err := json.Marshal(o)
+	if err != nil {
+		return ""
+	} else {
+		return string(b)
+	}
+}
+
 func TeamMemberFromJson(data io.Reader) *TeamMember {
 	decoder := json.NewDecoder(data)
 	var o TeamMember
@@ -42,6 +51,17 @@ func TeamMemberFromJson(data io.Reader) *TeamMember {
 	}
 }
 
+func TeamUnreadFromJson(data io.Reader) *TeamUnread {
+	decoder := json.NewDecoder(data)
+	var o TeamUnread
+	err := decoder.Decode(&o)
+	if err == nil {
+		return &o
+	} else {
+		return nil
+	}
+}
+
 func TeamMembersToJson(o []*TeamMember) string {
 	if b, err := json.Marshal(o); err != nil {
 		return "[]"