fix autosave in multi-edit
Ticket
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+commit
+example
Does not work. Edited http://test.dwagn.com/multi_edit_me and changed the first two fields, waited for draft to save. Checked changes for those two fields and there was no autosaved draft. Oddly, there is an autosaved draft for http://test.dwagn.com/multi_edit_me itself, changing the form to the content that was in one of the two fields I edited. (I did it twice, and one tiime it was one and one time it was the other.