Fix support for optional static segments

[LadyTsukiko]

Added support and tests for optional static segments in matchPath. According to the docs they should be supported but were not.

Before the fix the pattern "/user/admin?" would match "/user/admi" and "/user/admin" but not "/user".

[changeset-bot[bot]]

🦋 Changeset detected

Latest commit: e6ea20f0208588725183203508dc50082451c237

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

This PR includes changesets to release 11 packages

Name	Type
react-router	Patch
@react-router/architect	Patch
@react-router/cloudflare	Patch
@react-router/dev	Patch
react-router-dom	Patch
@react-router/express	Patch
@react-router/node	Patch
@react-router/serve	Patch
@react-router/fs-routes	Patch
@react-router/remix-routes-option-adapter	Patch
create-react-router	Patch

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[remix-cla-bot[bot]]

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

[github-actions[bot]]

🤖 Hello there,

We just published version 7.8.0-pre.3 which includes this pull request. If you'd like to take it for a test run please try it out and let us know what you think!

Thanks!

[brophdawg11]

🤖 bad bot - this is not in 7.8.0 and will be in the next release

[github-actions[bot]]

🤖 Hello there,

We just published version 7.8.1-pre.0 which includes this pull request. If you'd like to take it for a test run please try it out and let us know what you think!

Thanks!

[github-actions[bot]]

🤖 Hello there,

We just published version 7.8.1 which includes this pull request. If you'd like to take it for a test run please try it out and let us know what you think!

Thanks!