:art: Reflection cast: use isa

diff --git a/plug b/plug
index f6c65d9abf507826cf2e1498de956059666a996d..90eb5fbce4232acc65ef205e662934c249b5c6a9 160000 (submodule)
--- a/plug
+++ b/plug
@@ -1 +1 @@
-Subproject commit f6c65d9abf507826cf2e1498de956059666a996d
+Subproject commit 90eb5fbce4232acc65ef205e662934c249b5c6a9