[8.10] [Saved Objects] Fix document migrator to prevent losing namespaces on import (#164848)#167372

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kibanamachine merged 1 commit intoelastic:8.10from kibanamachine:backport/8.10/pr-164848

Sep 27, 2023

+37

Commits on Sep 27, 2023

[Saved Objects] Fix document migrator to prevent losing namespaces on import (elastic#164848 )
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