[NI] Preserve name of parameters for functional types

compiler/testData/codegen/box/controlStructures/parameterWithNameForFunctionType.kt

@@ -0,0 +1,8 @@
+fun <T> test(a: T, b: T, operation: (x: T) -> T) {
+    operation(if (3 > 2) a else b)
+}
+
+fun box(): String {
+    test(1, 1, { it })
+    return "OK"
+}