Unable to save draft between pages on a multipage webform using a single form across the translation set

Form settings:
[x] Expose webform component strings suitable for translation.
[x] Keep a single webform across a translation set.
[x] Automatically save as draft between pages

The problem:
When submitting a multi-page webform from a translation of the source webform, an sql error is returned in hook_webform_submission_load because $submissions is not set.
The problem originates in webform_localization_node_view, where webform_node_view is called with the translated node object, but webform_node_view needs the source translation nid set to load the draft submission.

Solution:
Fool webform by changing the nid temporarily and reset it afterwards.
Patch will follow