Ensure accurate metadata inconsistency checks (#2609)

[roshan0708]

Description

This commit addresses metadata inconsistency checks, ensuring they occur in the appropriate places. Additionally, steps have been added to verify the existence of the inconsistency checker function before performing the metadata checks.

This is a cherry-pick commit of 858698.

Issues Resolved

Task: BABEL-4139

Test Scenarios Covered

• Use case based -

• Boundary conditions -

• Arbitrary inputs -

• Negative test cases -

• Minor version upgrade tests -

• Major version upgrade tests -

• Performance tests -

• Tooling impact -

• Client tests -

Check List

• [x] Commits are signed per the DCO using --signoff

By submitting this pull request, I confirm that my contribution is under the terms of the Apache 2.0 and PostgreSQL licenses, and grant any person obtaining a copy of the contribution permission to relicense all or a portion of my contribution to the PostgreSQL License solely to contribute all or a portion of my contribution to the PostgreSQL open source project.

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[coveralls]

Pull Request Test Coverage Report for Build 9290350746

Details

• 0 of 0 changed or added relevant lines in 0 files are covered.
• No unchanged relevant lines lost coverage.
• Overall coverage increased (+0.006%) to 72.902%

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Totals
Change from base Build 9287839979:	0.006%
Covered Lines:	41909
Relevant Lines:	57487

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💛 - Coveralls