UastKotlinPsiVariable psiParent made lazy to eliminate recursion when building UAST parents

plugins/uast-kotlin/testData/WhenAndDestructing.kt

@@ -0,0 +1,17 @@
+fun getElementsAdditionalResolve(string: String): String {
+
+    val arr = listOf("1", "2")
+
+    when (string) {
+        "aaaa" -> {
+            return "bindingContext"
+        }
+
+        else -> {
+            val (bindingContext, statementFilter) = arr
+            return bindingContext
+        }
+    }
+}
+
+