script: Use atom comparison in more places, especially for attributes.

75% improvement in style recalc for Guardians of the Galaxy.

components/script/dom/bindings/codegen/CodegenRust.py

@@ -5458,6 +5458,7 @@ class GlobalGenRoots():
             for protoName in descriptor.prototypeChain[1:-1]:
                 protoDescriptor = config.getDescriptor(protoName)
                 delegate = string.Template('''impl ${selfName} for ${baseName} {
+  #[inline]
   fn ${fname}(&self) -> bool {
     self.${parentName}.${fname}()
   }