hide lookup on typing special characters in a live template expression (IDEA-92139)

java/java-tests/testData/codeInsight/template/AllowTypingRandomExpressionsWithLookupOpen.java

@@ -0,0 +1,9 @@
+import java.io.File;
+import java.lang.Object;
+import java.util.Map;
+
+class Foo {
+    void foo(Map<File, Object> files, File file, Object filx) {
+      <caret>
+    }
+}