Fixing issue with invoking URI normalization twice

[lashinijay]

Proposed changes in this pull request

Please refer the $subject.

Related Git Issue

• https://github.com/wso2/product-is/issues/15317

Related PR

• https://github.com/wso2-extensions/identity-carbon-auth-rest/pull/216

[jenkins-is-staging]

PR builder started Link: https://github.com/wso2/product-is/actions/runs/3873933462

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PR builder completed Link: https://github.com/wso2/product-is/actions/runs/3873933462 Status: success