ASA: Selecting b/w Forecasts vs Actuals - DEV Task

**As a** *qualified or trainee FBAN * **I want** *to be able to navigate forecasts/actuals * **So That** *I can use the appropriate information*

**Additional Context**
- Navigating forecasts/actuals is performed through frontend interface
- When a new issue date and forecast day are selected, the HFI input + advisory information displayed match the date selected
- For any given day, there can be multiple forecasts, in addition to an actual

**Acceptance Criteria**
- [x] There should be a selector to select between actual & forecasts
- [ ] There should be a selector to select between forecasts, when specifying the issue date and the date it represents
- [ ] if 2 forecasts are issued on the same day, use the most current forecast

**Definition of Done**
- Ready to Demo in Sprint Review
- Does what I have made have appropriate test coverage?
- Documentation and/or scientific documentation exists and can be found
- Peer Reviewed by 2 people on the team
- Manual testing of all PRs in Dev and Prod
- Merged

No files, tests, or entry points are named. Start by locating the frontend interface that navigates forecasts and actuals, then trace how issue dates and represented dates select HFI and advisory information. Done means users can choose among forecasts and the most current same-day forecast is selected, with appropriate test coverage.

Written by the indexing model from the issue text.