JVM IR: don't rename fake overrides for fields

In case derived class has a field with the same name as the base class,
RenameFieldsLowering previously tried to rename one of the fields by
adding the "...$1" suffix, which led to NoSuchFieldError.

compiler/tests/org/jetbrains/kotlin/codegen/BlackBoxCodegenTestGenerated.java

@@ -15764,6 +15764,11 @@ public class BlackBoxCodegenTestGenerated extends AbstractBlackBoxCodegenTest {
             runTest("compiler/testData/codegen/box/jvmField/checkNoAccessors.kt");
         }
 
+        @TestMetadata("clashWithJavaSuperClassField.kt")
+        public void testClashWithJavaSuperClassField() throws Exception {
+            runTest("compiler/testData/codegen/box/jvmField/clashWithJavaSuperClassField.kt");
+        }
+
         @TestMetadata("classFieldReference.kt")
         public void testClassFieldReference() throws Exception {
             runTest("compiler/testData/codegen/box/jvmField/classFieldReference.kt");