Remove the supported 'async-await': false option in esbuild-base.config.mts as Angular DevTools is zoneless and does not require downleveling async/await syntax.
Configure esbuild with supported 'async-await': false in esbuild-base.config.mts so esbuild downlevels async functions and async generators natively.
This allows removing the custom Babel plugin @babel/plugin-transform-async-generator-functions and downlevelAsyncGeneratorsIfPresent option.
Alan Agius