✅ Add "Show Hidden" Option

> Given that a user is interacting with the `OptionsPanel`, when they want to see their Hidden Jobs in the results, then they have an option to do so.

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- [ ] FE - Add Checkbox
- [ ] FE - Add `showHidden` to `ApplicationState`
- [ ] FE - Add option to query
- [ ] BE - Use option in filter
- [ ] Add test case
- [ ] Lint
- [ ] Test