view: update view when removing query

If the active view is the message being removed, remove it, then
navigate to the connection console. Otherwise, just remove the message
and don't navigate anywhere. Just re-render

lib/views/sidebar/messages.js

@@ -29,7 +29,10 @@ Messages.prototype.oncontextmenu = function oncontextmenu(e, message) {
     label: 'Close Message'
   , click: () => {
       debug('removing message')
+      const conn = message.conn
       message.partAndDestroy()
+      if (this.target.url === message.url)
+        this.target.router.goto(conn.url)
     }
   }))