Description:

When posting links in Rocket.Chat, the Oembed.getUrlMeta does not currently send the _escaped_fragment_ query parameter. There is some code for it, but the request is not formatted correctly.

Steps to reproduce:

1. Post any link containing the HTML <meta name="fragment" content="!">
2. .. wait for the embed to show
3. Not meta tags are shown

Expected behavior:

Rocket.Chat should respect the <meta name="fragment" content="!"> in the HTML meta and re-request the web page with an extra _escaped_fragment_= added to the query string.

Actual behavior:

Server Setup Information:

• Version of Rocket.Chat Server: 0.74.0-develop
• Operating System: OSX
• Deployment Method: meteor npm start