CSR Manager Dashboard label fix

- Overall Total containers no longer use Today wording for all-time totals.
- Completed Today was renamed to Completed Tickets in Overall Total.
- Cancelled Today was renamed to Cancelled Tickets in Overall Total.
- Team dashboard cards also use Completed Tickets and Cancelled Tickets because those cards show all-time/team totals.
- The separate Today section still keeps Today labels because that section is intentionally today-only.
