Comment 0 for bug 1992739

Steps to reproduce
==================
1. Go to Compute-Instances page
2. Click Create Instance button，create the instance with 1 system disk + 1 data disk
3. Create Instance Snapshot by the instance by step2
4. Create Instance by the instance snapshot by step3
  4.1 Select Instance Snapshot of Start Source's option
  4.2 Select the instance snapshot by step3

Expected result
===============
Show system disk and data disk

Actual result
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Not show the data disk.

Environment
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Version: the master