[HUDI-3264]: made schema registry urls configurable with MTDS

[pratyakshsharma]

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What is the purpose of the pull request

Made schema registry url configs more flexible as per the request in #4585

Brief change log

• Added a check for source and target schema registry urls in table overridden properties
• Added test cases

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This pull request is a trivial rework / code cleanup without any test coverage.

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This pull request is already covered by existing tests, such as (please describe tests).

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This change added tests and can be verified as follows:

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Committer checklist

• Has a corresponding JIRA in PR title & commit

• Commit message is descriptive of the change

• CI is green

• Necessary doc changes done or have another open PR

• For large changes, please consider breaking it into sub-tasks under an umbrella JIRA.

[hudi-bot]

CI report:

• 39aff04 Azure: SUCCESS

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• @hudi-bot run azure re-run the last Azure build

[nsivabalan]

@pratyakshsharma : did you get a chance to test the patch out. Seems straight forward. but just asking.

[pratyakshsharma]

@pratyakshsharma : did you get a chance to test the patch out. Seems straight forward. but just asking.

No I have just written test cases, and they were passing.

[nsivabalan]

@pratyakshsharma : Can you update the multi table deltastreamer blog regarding this.

[pratyakshsharma]

ack.

[ROOBALJINDAL]

@pratyakshsharma : Can you update the multi table deltastreamer blog regarding this.

It is done? Can anyone take care of this? This is needed as its not clear what is exactly expected in the new configuration.

[pratyakshsharma]

@ROOBALJINDAL This somehow slipped off my radar. Let me take care of this in a day or two. If you are looking for some immediate assistance, we can probably connect on slack. You can find me with 'Pratyaksh Sharma' there.

[pratyakshsharma]

#6420