Revert module name to legacy value and set IS_IN_PDP to false for JDBC policy addOrUpdate flow

[Yoshani]

Proposed changes in this pull request

• Revert the module name to legacy value of Registry Policy Finder Module
• Set IS_IN_PDP to false for JDBC policy addOrUpdate flow since it only does PAP inserts

Related issues

• Issue Carbon registry usage removal from the XACML product-is#20000

Checklist (for reviewing)

General

• Is this PR explained thoroughly? All code changes must be accounted for in the PR description.
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Functionality

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Documentation

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[darshanasbg]

Is this intentional?

[Yoshani]

yes, refer #5844 (comment)