Disable editor tooltips on mobile

Maybe disable, or auto hide after a few seconds, editor tooltips. Since they stay after a tap on mobile, they might hide what someone is trying to type in a really long post.

This is on the latest iOS with Chrome browser.

No files, tests, or entry points are named. Reproduce the tooltip behavior on iOS with Chrome, then trace the editor tooltip behavior and choose whether disabling it or auto-hiding it best prevents it from covering text; done when the tooltip no longer obscures typing on long posts.

Written by the indexing model from the issue text.