Convert lambda to callable reference intention / inspection #KT-10903 Fixed

(cherry picked from commit b620099)

idea/testData/intentions/convertLambdaToReference/unwrap.kt

@@ -0,0 +1,7 @@
+// WITH_RUNTIME
+
+class Wrapper<T>(private val x: T) {
+    fun unwrap() = x
+}
+
+val unwrapped = listOf(Wrapper(1), Wrapper("B")).map { <caret>it.unwrap() }