Minor, move tests about Java field and Kotlin property

Because the `fieldRename` directory was originally about cases when
private fields are renamed because of clashes.

compiler/testData/codegen/box/javaFieldAndKotlinProperty/javaFieldAndKotlinPropertyReference.kt

@@ -0,0 +1,20 @@
+// TARGET_BACKEND: JVM_IR
+// IGNORE_BACKEND_K1: JVM_IR
+// IGNORE_BACKEND_K2: JVM_IR
+// FIR status: fails because of incorrect receiver in bytecode
+// Field VS property: case "reference"
+
+// FILE: BaseJava.java
+public class BaseJava {
+    public String a = "OK";
+}
+
+// FILE: Derived.kt
+class Derived : BaseJava() {
+    private val a = "FAIL"
+}
+
+fun box(): String {
+    val d = Derived()
+    return d::a.get()
+}