dialogPolyfill.forceRegisterDialog and browsers with native dialog support

[Watso196]

Currently dialogPolyfill.forceRegisterDialog(element) throws a console.warn when the native <dialog> is supported, which is making the debugging of other error output difficult within our codebase. Shouldn't the polyfill transparently leave native support up to the browser in these cases? See

dialog-polyfill/dist/dialog-polyfill.js

Line 536 in 5033aac

dialogPolyfill.forceRegisterDialog = function(element) {