Bump app component from 7fb25952 to a7e9af5b

## User-visible changes:

* Pipeline failures in the `/serve` endpoint are now correctly communicated to the user in the UI.
* Fixed an issue where the deployment modal would not open after the first time.
* Fixed an issue where the result illustration would disappear after canceling the deployment modal.

## Internal changes:

* Renamed some domain models related to the `/serve` endpoint to better reflect their purpose.
* Fixed retrying of the `diagnostics-sums` query.
* Fixed the `pnpmDeps` hash in the Nix flake.

View PR: https://github.com/tenzir/app/pull/886
View PR: https://github.com/tenzir/app/pull/889

View Changes: https://github.com/tenzir/app/compare/7fb259524d1c0a61b51365dcfc9a68b08e31505e...a7e9af5bb7e66a2643c00da7bba65b3bdef08c86