Auto merge of #21430 - Eijebong:ws-origin, r=jdm

Properly set the origin on websocket messages

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components/script/dom/window.rs

@@ -2114,6 +2114,7 @@ impl Window {
                 this.upcast(),
                 this.upcast(),
                 message_clone.handle(),
+                None
             );
         });
         // FIXME(nox): Why are errors silenced here?