[3.0.0] Fix issue in JWT validation in consent validation endpoint

[Ashi1993]

Fix issue in JWT validation in consent validation endpoint

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Development Checklist

1. Build complete solution with pull request in place.
2. Ran checkstyle plugin with pull request in place.
3. Ran Findbugs plugin with pull request in place.
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5. Formatted code according to WSO2 code style.
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7. Migration scripts written (if applicable).
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Testing Checklist

1. Written unit tests.
2. Verified tests in multiple database environments (if applicable).
3. Tested with BI enabled (if applicable).

[wso2-engineering]

Log Improvement Suggestion No: 1

Suggested change

	} catch (JOSEException | ParseException e) {
	throw new OpenBankingException("Error occurred while validating JWT signature");
	}
	} catch (JOSEException | ParseException e) {
	log.error("Error occurred while validating JWT signature: " + e.getMessage());
	throw new OpenBankingException("Error occurred while validating JWT signature");

[wso2-engineering]

AI Agent Log Improvement Checklist

⚠️ Warning: AI-Generated Review Comments

• The log-related comments and suggestions in this review were generated by an AI tool to assist with identifying potential improvements. Purpose of reviewing the code for log improvements is to improve the troubleshooting capabilities of our products.
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Comment	Accepted (Y/N)	Reason
#### Log Improvement Suggestion No: 1