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## Summary of the Pull Request
Fixes/implements #10058 according to directions in that issue: added support for browser navigation keys to be used in actions.
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## References
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## PR Checklist
* [x] Closes#10058
* [x] CLA signed.
* [x] Tests added/passed
* [x] Documentation updated: . If checked, please file a pull request on [our docs repo](https://github.com/MicrosoftDocs/terminal) and link it here: https://github.com/MicrosoftDocs/terminal/pull/371
* [x] Schema updated.
* [x] I've discussed this with core contributors already. According to instructions in #10058
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## Detailed Description of the Pull Request / Additional comments
The mouse back/forward keys do not correspond to the keys added here. That would be a nice (but more complicated) addition, I'll add an issue for it.
3f5f37d910