Add @xmldom/xmldom back to bundle (#1099)

Temporary measure to close #1094. In roslibjs/ros2djs/ros3djs 3.0,
we should figure out a better solution for all three libraries.

Author: EzraBrooks

vite.config.ts

@@ -21,7 +21,7 @@ export default defineConfig({
         useFlatConfig: true,
       },
     }),
-    externalizeDeps(),
+    externalizeDeps({ except: ["@xmldom/xmldom"] }),
   ],
   build: {
     lib: {