The Docker/PWA build path bypassed the Electron workflow's inject step,
so published images showed the plain version in About. Pass the commit
as a build arg and run the inject script before the PWA build; the
script no-ops when BUILD_COMMIT is empty, leaving local docker builds
unchanged.
Addresses Codex feedback on #1208.
Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
Adds a step to install jq and retrieves the version from
package.json to tag the Docker image. This ensures that the
Docker image is versioned correctly based on the package
version, improving traceability and deployment consistency.
