Images didn't migrate well

[joemcgill]

Some images didn't get pulled over from the migration and other images took on the original attachment_id. This creates a weird scenario where clicking edit on an image in the post editor opens the editor with a different image active. This could also affect srcset attributes on the front end.

Here's an example post: http://jojotastic.com/2016/03/15/recipe-pot-o-gold-cocktail/

Markup:

<img class="alignnone wp-image-15103 size-large lazyloaded" alt="portrait of a cocktail // pot o' gold recipe for st. patrick's day! mix up a batch + get the full recipe on jojotastic.com" width="750" height="1124" data-src="http://jojotastic.com/wp-content/uploads/2016/03/Pot-o-gold-cocktail-10-750x1124.jpg" scale="0" src="http://jojotastic.com/wp-content/uploads/2016/03/Pot-o-gold-cocktail-10-750x1124.jpg" data-jpibfi-indexer="1">

Attachment page for that wp-image-{{id}}: http://jojotastic.com/?attachment_id=15103

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