Implement server-side extraction of marriage profile data from cookies
to seed the React Query cache during initial application load. This
reduces client-side loading states by providing immediate access to
profile information.
- Extract and parse marriage data in `RootLayout`
- Pass initial profile data to `Providers` component
- Seed `QueryClient` with `initialProfile` using `setQueryData`
- Update `getInitialMarriageProfile` to support data overrides
- Refine loading conditional in `NewMatchClient` to prevent flickering
when summary data is already present