[MM-34076] Add Plugin API User custom status (#17435)

* add missing client for custom user status

* add custom user status plugin api

* update based on feedback review

* add GetCustomStatus

* update interfaces

model/client4.go

@@ -6154,6 +6154,36 @@ func (c *Client4) UpdateUserStatus(userId string, userStatus *Status) (*Status,
 	return &s, BuildResponse(r), nil
 }
 
+// UpdateUserCustomStatus sets a user's custom status based on the provided user id string.
+func (c *Client4) UpdateUserCustomStatus(userId string, userCustomStatus *CustomStatus) (*CustomStatus, *Response) {
+	r, err := c.DoApiPut(c.GetUserStatusRoute(userId)+"/custom", userCustomStatus.ToJson())
+	if err != nil {
+		return nil, BuildErrorResponse(r, err)
+	}
+	defer closeBody(r)
+	return CustomStatusFromJson(r.Body), BuildResponse(r)
+}
+
+// RemoveUserCustomStatus remove a user's custom status based on the provided user id string.
+func (c *Client4) RemoveUserCustomStatus(userId string) (bool, *Response) {
+	r, err := c.DoApiDelete(c.GetUserStatusRoute(userId) + "/custom")
+	if err != nil {
+		return false, BuildErrorResponse(r, err)
+	}
+	defer closeBody(r)
+	return CheckStatusOK(r), BuildResponse(r)
+}
+
+// RemoveRecentUserCustomStatus remove a recent user's custom status based on the provided user id string.
+func (c *Client4) RemoveRecentUserCustomStatus(userId string) (bool, *Response) {
+	r, err := c.DoApiDelete(c.GetUserStatusRoute(userId) + "/custom/recent")
+	if err != nil {
+		return false, BuildErrorResponse(r, err)
+	}
+	defer closeBody(r)
+	return CheckStatusOK(r), BuildResponse(r)
+}
+
 // Emoji Section
 
 // CreateEmoji will save an emoji to the server if the current user has permission