Fix recover database not in "show databases"

[HangyuanLiu]

Proposed changes

FIX: #4169

Types of changes

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• Bugfix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to not work as expected)
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Checklist

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• I have create an issue on Doris's issues, and have described the bug/feature there in detail
• Commit messages in my PR start with the related issues ID, like "Add pull request template to doris project #4071 Add pull request template to doris project"
• Compiling and unit tests pass locally with my changes
• I have added tests that prove my fix is effective or that my feature works
• If this change need a document change, I have updated the document
• Any dependent changes have been merged

Further comments

If this is a relatively large or complex change, kick off the discussion at dev@doris.apache.org by explaining why you chose the solution you did and what alternatives you considered, etc...

[morningman]

LGTM