KT-12046 Java to Kotlin dangerous conversion (recursive property set)

#KT-12046 Fixed

j2k/testData/fileOrElement/detectProperties/SetterWithSideEffect6.java

@@ -0,0 +1,12 @@
+public class C {
+    private String x = "";
+
+    public String getX() {
+        return x;
+    }
+
+    public void setX(String x) {
+        System.out.println("old value: " + this.x);
+        this.x = x;
+    }
+}