Cannot show external file diff when svn.sourceControl.combineExternalIfSameServer option is True

[gwoweiming]

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• VSCode Version:1.47.3
• OS Version:10.0.18363
• Extension Version:v2.12.3
• System Language:en
• SVN Version: 1.13.0

Issue

Cannot show external file diff when svn.sourceControl.combineExternalIfSameServer option is True

Steps to Reproduce

1.set svn.sourceControl.combineExternalIfSameServer option to True 2.double click changed external file in source control panel 3.left panel is empty in diff view

Screenshots

changed file is not empty .