Handle PAA/PAI re-issue and enable below time validation

[todo]

connectedhomeip/src/crypto/CHIPCryptoPALmbedTLS.cpp

Lines 1313 to 1323 in cb3698e

	// TODO: Handle PAA/PAI re-issue and enable below time validation
	// check if referenceCertificate is issued at or after tbeCertificate's notBefore timestamp
	// VerifyOrExit(IsTimeGreaterThanEqual(&refNotBeforeTime, &tbeNotBeforeTime), error = CHIP_ERROR_CERT_EXPIRED);
	// check if referenceCertificate is issued at or before tbeCertificate's notAfter timestamp
	// VerifyOrExit(IsTimeGreaterThanEqual(&tbeNotAfterTime, &refNotBeforeTime), error = CHIP_ERROR_CERT_EXPIRED);
	exit:
	_log_mbedTLS_error(result);
	mbedtls_x509_crt_free(&mbedReferenceCertificate);
	mbedtls_x509_crt_free(&mbedToBeEvaluatedCertificate);

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This issue was generated by todo based on a TODO comment in cb3698e when #12212 was merged. cc @vijs.