Allow tabbing responsive editor when not on mobile.

fixes #3095
- Add `click` event to floatingheader
Merge pull request #3098 from halfdan/3095-non-mobile-tabbing

Allow tabbing responsive editor when not on mobile.
Stay on posts.index route when no posts exist

No Issue
Merge pull request #3104 from jaswilli/route-undefined

Stay on posts.index route when no posts exist
Add off as a noop function to touch editor.

Closes #3107
Merge pull request #3108 from novaugust/touch-editor-off

Add off as a noop function to touch editor.