Fix reflection on reference to generic property

See a93484b457 for the similar fix to function
references

 #KT-12967 Fixed

compiler/testData/codegen/box/reflection/properties/genericProperty.kt

@@ -0,0 +1,11 @@
+// WITH_REFLECT
+
+import kotlin.test.assertEquals
+
+data class Box<T>(val element: T)
+
+fun box(): String {
+    val p = Box<String>::element
+    assertEquals("val Box<T>.element: T", p.toString())
+    return p.call(Box("OK"))
+}