New J2K: add default null value to property with type parameter type when it is implicit in Java

#KT-32436 fixed

nj2k/src/org/jetbrains/kotlin/nj2k/conversions/ImplicitInitializerConversion.kt

@@ -32,9 +32,8 @@ class ImplicitInitializerConversion(private val context: NewJ2kConverterContext)
                 return recurse(element)
         }
 
-        val fieldType = element.type.type
-        val newInitializer = when (fieldType) {
-            is JKClassType -> JKNullLiteral()
+        val newInitializer = when (val fieldType = element.type.type) {
+            is JKClassType, is JKTypeParameterType -> JKNullLiteral()
             is JKJavaPrimitiveType -> createPrimitiveTypeInitializer(fieldType)
             else -> null
         }

nj2k/testData/newJ2k/issues/kt-32436.java

@@ -0,0 +1,6 @@
+public class JClass<T> {
+    private T name;
+    public T getName() {
+        return name;
+    }
+}

nj2k/testData/newJ2k/issues/kt-32436.kt

@@ -0,0 +1,3 @@
+class JClass<T> {
+    val name: T? = null
+}

nj2k/tests/org/jetbrains/kotlin/nj2k/NewJavaToKotlinConverterSingleFileTestGenerated.java

@@ -2871,6 +2871,11 @@ public class NewJavaToKotlinConverterSingleFileTestGenerated extends AbstractNew
             runTest("nj2k/testData/newJ2k/issues/kt-31818.java");
         }
 
+        @TestMetadata("kt-32436.java")
+        public void testKt_32436() throws Exception {
+            runTest("nj2k/testData/newJ2k/issues/kt-32436.java");
+        }
+
         @TestMetadata("kt-5294.java")
         public void testKt_5294() throws Exception {
             runTest("nj2k/testData/newJ2k/issues/kt-5294.java");