QueryLogz in vtgate WEB UI is non-functional when accessed over https

[jawabuu]

When filing a bug, please include the following headings if
possible. Any example text in this template can be deleted.

Overview of the Issue

Vtgate Web page UIs when served over HTTPS is non-functional because it loads non-HTTPS resources by default.

Reproduction Steps

Steps to reproduce this issue, example:

1. Deploy vitess;
2. Access Web UI over https;

Error

Page does not load

Operating system and Environment details

any

Log Fragments

vtgate/debug/querylogz' was loaded over HTTPS, but requested an insecure script 'http://ajax.googleapis.com/ajax/libs/jquery/2.1.0/jquery.min.js'. This request has been blocked; the content must be served over HTTPS.
querylogz:53 Uncaught ReferenceError: $ is not defined
    at querylogz:53