Merge remote-tracking branch 'nik9000/127431' into 127431

Author: nik9000

docs/changelog/127532.yaml

@@ -0,0 +1,6 @@
+pr: 127532
+summary: Fix case insensitive comparisons to ""
+area: ES|QL
+type: bug
+issues:
+ - 127431

x-pack/plugin/esql/src/main/java/org/elasticsearch/xpack/esql/expression/predicate/operator/comparison/InsensitiveEquals.java

@@ -10,7 +10,6 @@
 import org.apache.lucene.util.automaton.Automata;
 import org.apache.lucene.util.automaton.Automaton;
 import org.apache.lucene.util.automaton.ByteRunAutomaton;
-import org.apache.lucene.util.automaton.Operations;
 import org.elasticsearch.common.io.stream.NamedWriteableRegistry;
 import org.elasticsearch.common.io.stream.StreamInput;
 import org.elasticsearch.common.lucene.BytesRefs;