Add support for [NoInterfaceObject] extended attribute to bindings generator

Source/core/html/canvas/Canvas2DContextAttributes.idl

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-[EnabledAtRuntime=experimentalCanvasFeatures] interface Canvas2DContextAttributes {
+[
+    NoInterfaceObject,
+    EnabledAtRuntime=experimentalCanvasFeatures,
+] interface Canvas2DContextAttributes {
     attribute boolean alpha;
 };