Adding New Media 'shivers' and loses focus when tabbing/navigating between fields

[Ipstenu]

When adding new media to a post, the media editor has some serious jiggle issues and focus loss.

To Reproduce:

1) Make a new post
2) Upload a NEW image to that post
3) Change the image title
4) Hit tab OR click to the next field

The screen will 'jerk' as it's reloading something (don't know what) and then there will be nothing selected for focus.

Video illustrations:
​https://cloudup.com/cLl7hyNWKcH (MOV)
​https://cloudup.com/cMZDBUUQHYH (MP4)
​https://cloudup.com/creXb9gahEv (M4V - slightly different example)

Related to #25100 and #23560

[ericlewis]

Introduced in r28993, in media.view.Attachment:

this.model.on( 'change', this.render, this );

I did this to allow data to be edited in the Media Grid Attachment Details modal and then auto-rendered in the grid.

Should figure out which view is performing the editing, and noop re-rendering for that.

[Ipstenu]

Current status.

Not 'shivering' but when I navigate between fields, the focus snaps back to the URL every time.

This happens on all images in the in-post image modal box, new and old.

[DrewAPicture]

@ericlewis: Any update on reproducing this issue and/or finding a fix?

[Ipstenu]

It appears to be working now.

[wonderboymusic]

This was massaged here: [29266].

​https://github.com/WordPress/WordPress/commit/0702527010e641c1bc33bc9ee2dc15be20b33dd9#diff-81c889563f09dd13de1701135dc62941R6325