Release activity email links to single-project view, hiding commits visible in other projects

## Environment - Sentry SaaS (codecov.sentry.io) ## Description When a release spans multiple projects, the release activity email notification references commits from across all projects but links to a single project's view of the release. This causes confusion when the linked project shows fewer commits than what the email claims are included. ## Steps to Reproduce 1. Have a release that is associated with multiple projects (e.g., `production-release-18dc1f3` associated with `worker`, `api`, and `ecdn-api` projects) 2. Each project may have different commit associations due to how/when the release was created for each project 3. Receive a release activity email saying "your commits were deployed" 4. Click the link in the email, which goes to a URL like: `https://codecov.sentry.io/releases/production-release-18dc1f3/?project=5215654` ## Expected Behavior Either: - The email link should go to a cross-project release view that shows all commits across all projects with that release ID - Or the email should only reference commits that are visible in the specific project being linked ## Actual Behavior - The email says my commits are part of the release - The link goes to a single project's view of the release - That project's view only shows 1 commit (not mine) - My commits are associated with the release in a different project, but there's no way to see that from the linked page ## Example - Release: `production-release-18dc1f3` - Projects in release: `ecdn-api`, `worker`, `api` - Email link project: `5215654` - Email claims my commits are included - Linked page shows only 1 commit by a different author ## Additional Context This appears to happen when a release is created separately for each project (e.g., via `getsentry/action-release` in separate CI jobs), and each project ends up with different commit associations. The email aggregates across all projects, but the link is project-specific.