Intentions: function <-> property conversion

idea/testData/intentions/convertPropertyToFunction/var.kt

@@ -0,0 +1,10 @@
+// IS_APPLICABLE: false
+class A(var n: Int) {
+    var <caret>foo: Int
+        get() = n + 1
+        set(value: Int) { n = value - 1 }
+}
+
+fun test() {
+    val t = A(1).foo
+}