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

#KT-32436 fixed

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
+}