Add filtering to the List Views page like the filtering that existed in D7

Description of the need

D7 allowed you to enable filtering on the "List Views" page at admin/structure/views, like this:

It's not available in Backdrop.

Proposed solution

It would be nice to restore this functionality in Backdrop.

Additional information

The issue was raised in https://github.com/backdrop/backdrop-issues/issues/5895.

Forum discussion at https://forum.backdropcms.org/forum/views-administrative-page-doesnt-sho....

Draft of feature description for Press Release (1 paragraph at most)

Backdrop now includes the ability to sort and filter the administrative list of views according to the View tags of the individual Views.