fix(migrate): 0.R5 - a state an argument to a C function comes out of keeps the mutability it was declared with, so --tighten leaves the mut on a wrapper writing through a native handle (phys_force) and does not add one to a query that reads through one

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

selfhost/check/check_call.ludic

@@ -239,6 +239,7 @@ function ck_call_named(e: Node, name: pointer) -> pointer {
   let x = ck_extern(name)
   if x != null {
     ck_raw(e, `the C function {name}`)
+    ck_extern_writes(e)
     ck_extern_arg = true
     let xt = ck_call_fn(e, name, x)
     ck_extern_arg = false