fix: initialize Windows localSelection (backport #2457)

[mergify]

GitHub Issue (If applicable): closes #2473

PR Type

What kind of change does this PR introduce?

• Bugfix

PR Checklist

Please check if your PR fulfills the following requirements:

• Tested code with current supported SDKs
• Docs have been added/updated which fit documentation template. (for bug fixes / features)
• Unit Tests and/or UI Tests for the changes have been added (for bug fixes / features) (if applicable)
• Wasm UI Tests are not showing unexpected any differences. Validate PR Screenshots Compare Test Run results.
• Contains NO breaking changes
• Updated the Release Notes
• Associated with an issue (GitHub or internal)

Other information

Internal Issue (If applicable):

---

This is an automatic backport of pull request #2457 done by [Mergify](https://mergify.com).

[kazo0]

/azp run

[azure-pipelines]

Azure Pipelines successfully started running 1 pipeline(s).

[kazo0]

/azp run

[azure-pipelines]

Azure Pipelines successfully started running 1 pipeline(s).

[kazo0]

@rajamatt I'm not understanding why those tests are failing for this PR.

Did we miss an earlier backport that fixes these or something?

[rajamatt]

@rajamatt I'm not understanding why those tests are failing for this PR.

Did we miss an earlier backport that fixes these or something?

@kazo0 I can see that out of two of the related failing tests, one is pretty much directly related to these changes in this PR:

Out of range exception, most probably will keep failing. I'm having trouble building the Uno.Extensions.RuntimeTests project though, which is keeping me from running tests locally. I'll post for help if I can't get it working