[java-inspection] IDEA-356474 Support JEP 477: support implicitly imported modules in optimize imports

- added test
- the main logic was implemented in IDEA-356672

GitOrigin-RevId: cea8a71db91527ae175da2060c65423dec740b46

java/java-tests/testData/psi/optimizeImports/ImplicitModulesWithImplicitClass.java

@@ -0,0 +1,5 @@
+import java.util.*;
+
+void main() {
+  List<String> a = new ArrayList<>();
+}

java/java-tests/testData/psi/optimizeImports/ImplicitModulesWithImplicitClass_after.java

@@ -0,0 +1,3 @@
+void main() {
+  List<String> a = new ArrayList<>();
+}

java/java-tests/testSrc/com/intellij/java/psi/OptimizeImportsTest.java

@@ -50,7 +50,7 @@ public class OptimizeImportsTest extends OptimizeImportsTestCase {
 
   @Override
   protected @NotNull LightProjectDescriptor getProjectDescriptor() {
-    return JAVA_21;
+    return JAVA_23;
   }
 
   @Override
@@ -126,7 +126,11 @@ public class OptimizeImportsTest extends OptimizeImportsTestCase {
   public void testImplicitIoImport3() {
     implicitIoImport();
   }
-  
+
+  public void testImplicitModulesWithImplicitClass() {
+    doTest();
+  }
+
   public void testNewImportListIsEmptyAndCommentPreserved() { doTest(); }
   public void testNewImportListIsEmptyAndJavaDocWithInvalidCodePreserved() { doTest(); }