[go_router_builder] Generate the enum map for enum used in iterable#3415

auto-submit[bot] merged 4 commits intoflutter:mainflutter/packages:mainfrom

ValentinVignal:go-router-builder/Enum-in-iterablesValentinVignal/flutter__packages:go-router-builder/Enum-in-iterablesCopy head branch name to clipboard