Fix memberOf filter by resolving actual group DN via LDAP lookup

[Zeta201]

Purpose

Related Issue: wso2/product-is#26376

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[wso2-engineering]

Log Improvement Suggestion No: 1

Suggested change

	private String resolveGroupDN(LdapContext ldapContext, String groupName) throws NamingException {
	private String resolveGroupDN(LdapContext ldapContext, String groupName) throws NamingException {
	log.debug("Resolving DN for group: " + groupName);

[wso2-engineering]

Log Improvement Suggestion No: 2

Suggested change

	SearchResult result = results.next();
	return result.getNameInNamespace();
	SearchResult result = results.next();
	String groupDN = result.getNameInNamespace();
	log.debug("Resolved group DN: " + groupDN + " for group: " + groupName);
	return groupDN;

[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.
• Please make sure to manually review and validate all suggestions before applying any changes. Not every code suggestion would make sense or add value to our purpose. Therefore, you have the freedom to decide which of the suggestions are helpful.

✅ Before merging this pull request:

• Review all AI-generated comments for accuracy and relevance.
• Complete and verify the table below. We need your feedback to measure the accuracy of these suggestions and the value they add. If you are rejecting a certain code suggestion, please mention the reason briefly in the suggestion for us to capture it.

Comment	Accepted (Y/N)	Reason
#### Log Improvement Suggestion No: 1
#### Log Improvement Suggestion No: 2