fix(react-router-dom): fix detectErrorBoundary function

[vonagam]

Check for presence of new ErrorBoundary property was missing.

[changeset-bot]

🦋 Changeset detected

Latest commit: 63fc751

The changes in this PR will be included in the next version bump.

This PR includes changesets to release 4 packages

Name	Type
react-router-dom	Patch
react-router	Patch
react-router-dom-v5-compat	Patch
react-router-native	Patch

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[remix-cla-bot]

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[timdorr]

Can you add a test for this so we don't have a regression later?

[remix-cla-bot]

Thank you for signing the Contributor License Agreement. Let's get this merged! 🥳

[vonagam]

I changed some places in existing tests to use ErrorBoundary. Hope it is ok. Important one is "handles framework agnostic static handler routes", without the change hasErrorBoundary is false.

[brophdawg11]

Thanks for the PR @vonagam! Just one comment for the unit test updates

[brophdawg11]

Thanks @vonagam! This looks good - do you mind just rebasing/repointing this to dev since it contains a code change? Then I think we're good to merge 👍

[timdorr]

Thanks!