PLT-5765 Passed SiteURL to SendNotifications (#5705)

api4/channel.go

@@ -298,7 +298,7 @@ func removeChannelMember(c *Context, w http.ResponseWriter, r *http.Request) {
 		return
 	}
 
-	if err = app.RemoveUserFromChannel(c.Params.UserId, c.Session.UserId, channel); err != nil {
+	if err = app.RemoveUserFromChannel(c.Params.UserId, c.Session.UserId, channel, c.GetSiteURL()); err != nil {
 		c.Err = err
 		return
 	}