After import, added pages are removed, wiki set back to default

Description

This is affecting 11.127x, which launches next Wednesday (April 1).

FYI

Steps to Reproduce

1. Go to: https://studio.edge.edx.org/tabs/course-v1:StackUniversity+bug101+2015_T1
2. Add a new page, save
3. Export, then import

Expected behavior: newly added page will still be present
Actual behavior: page has been removed

Note: only affects split courses.

Current Behavior

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Expected Behavior

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Reason for Variance

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Release Notes

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User Impact Summary

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Assignee

Waheed Ahmed

Reporter

Shelby Quinn

Reach

None

Impact

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Platform Area

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Customer

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Partner Manager

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URL

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Contributor Name

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Groups with Read-Only Access

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Actual Points

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Category of Work

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Platform Map Area (Levels 1 & 2)

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Platform Map Area (Levels 3 & 4)

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Priority

CAT-2
Configure