Archive template: Sanitize content for allowed HTML tags in post title

[joshfeck]

For better or worse, html tags are allowed in the WP post title field. If a user inputs html into the title field then it should be OK to allow the html to render (instead of displaying escaped html tags)

A screenshot before adding this tweak:

and after:

[CLAassistant]

All committers have signed the CLA.

[awakekat]

I am just making note of this since I saw this in the browser tab and was testing it. If the browser tab can't be controlled with sanitization, then let it be so.