Fix stale auth cache denial after grants#18062
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This patch confirms locally cached permission denials with ConfigNode so a stale DataNode user cache cannot incorrectly reject a privilege that was just granted. If ConfigNode is unavailable, it preserves the previous local NO_PERMISSION result. Tests: mvn spotless:apply -pl iotdb-core/datanode; mvn -nsu -pl iotdb-core/datanode -Dtest=AuthorizerManagerTest -Dcheckstyle.skip=true test; mvn -nsu -pl integration-test -am -PTableSimpleIT -P with-integration-tests -DskipUTs -Dit.test=IoTDBAuthenticationTableIT#testAlter -DfailIfNoTests=false -Dfailsafe.failIfNoSpecifiedTests=false -Dcheckstyle.skip=true -Drat.skip=true verify.