"Simplify using destructuring declaration" is now applicable for function literals #KT-13941 Fixed

idea/testData/intentions/destructuringInLambda/variables.kt

@@ -0,0 +1,9 @@
+data class XY(val x: String, val y: String)
+
+fun convert(xy: XY, foo: (XY) -> String) = foo(xy)
+
+fun foo(xy: XY) = convert(xy) { <caret>it ->
+    val x = it.x
+    val y = it.y
+    x + y
+}