avm1: Fix add2 coerce

core/src/avm1/activation.rs

@@ -576,7 +576,7 @@ impl<'a, 'gc> Activation<'a, 'gc> {
         };
 
         let b = if let Value::MovieClip(_, _) = b {
-            a.coerce_to_string(self)?.into()
+            b.coerce_to_string(self)?.into()
         } else {
             b
         };

core/src/avm1/value.rs

@@ -417,7 +417,7 @@ impl<'gc> Value<'gc> {
             Value::MovieClip(path, mc) => {
                 if let Some(mc) = mc.upgrade(activation.context.gc_context) {
                     if !mc.read().display_object.removed()
-                        | mc.read().display_object.pending_removal()
+                        || mc.read().display_object.pending_removal()
                     {
                         // Note that we can't re-use the `path` from the value above sadly, it would be quicker if we could
                         // But if the clip has been re-named, since being created then `mc.path() != path`