feat(mobile): highlight and surface current user in suggested reviewers (port #2435)

[Gilbert09]

Summary

Ports desktop PR #2435 ("Highlight current user in signal suggested reviewers") to the mobile app, bringing the inbox report detail to parity.

Two gaps were closed in the mobile "Suggested reviewers" list:

1. Wire the current user through. The detail screen now reads the logged-in user's uuid via useUserQuery and passes it as meUuid to <SuggestedReviewers>, so the component's existing isMe highlight badge actually shows.
2. Reorder so the current user is first. When the logged-in user appears in the list and isn't already first, they're moved to the front — mirroring the desktop behavior. The reorder lives in a pure, testable orderSuggestedReviewers util alongside the other inbox derivation helpers.

The "Why was I assigned?" commit-reason tooltip from desktop is intentionally not ported: mobile's SuggestedReviewers does not render relevant_commits at all, and inventing a new commits UI was out of scope.

Changes

• apps/mobile/src/features/inbox/utils.ts — add orderSuggestedReviewers(reviewers, meUuid).
• apps/mobile/src/app/inbox/[id].tsx — call useUserQuery, reorder in the suggestedReviewers memo, pass meUuid to the component.
• apps/mobile/src/features/inbox/utils.test.ts — unit tests for the reorder (moves to front, no-op when already first / absent / no uuid).

Testing

• pnpm --filter @posthog/mobile test src/features/inbox/ — passing.
• tsc --noEmit clean for the changed files.
• Desktop code under apps/code untouched.

[greptile-apps]

Prompt To Fix All With AI

Fix the following 1 code review issue. Work through them one at a time, proposing concise fixes.

---

### Issue 1 of 1
apps/mobile/src/features/inbox/utils.test.ts:33-49
The three no-op cases all assert the same thing — that the original array reference is returned unchanged — across different inputs. Per the team's convention of preferring parameterised tests, they're a natural fit for `it.each`.

```suggestion
  it.each([
    {
      label: "already first",
      reviewers: [reviewer("me", "uuid-me"), reviewer("a", "uuid-a")],
      meUuid: "uuid-me" as string | null | undefined,
    },
    {
      label: "absent",
      reviewers: [reviewer("a", "uuid-a"), reviewer("b", "uuid-b")],
      meUuid: "uuid-me" as string | null | undefined,
    },
    {
      label: "null meUuid",
      reviewers: [reviewer("a", "uuid-a"), reviewer("me", "uuid-me")],
      meUuid: null as string | null | undefined,
    },
    {
      label: "undefined meUuid",
      reviewers: [reviewer("a", "uuid-a"), reviewer("me", "uuid-me")],
      meUuid: undefined as string | null | undefined,
    },
  ])("is a no-op when $label", ({ reviewers, meUuid }) => {
    expect(orderSuggestedReviewers(reviewers, meUuid)).toBe(reviewers);
  });
```

_{Reviews (1): Last reviewed commit: "feat(mobile): highlight and surface curr..." | Re-trigger Greptile}

[github-actions]

React Doctor found no issues in the changed files. 🎉

_{Reviewed by React Doctor for commit 9b463e5.}