fix(tests): ensure @screenly/edge-apps mock is applied before fetcher import

[nicomiguelino]

Summary

CI on PR #3 (the @screenly/edge-apps 1.2.0 to 1.2.1 dependency bump) is failing with:

SyntaxError: Export named 'Hardware' not found in module '.../node_modules/@screenly/edge-apps/dist/index.js'.

reported by bun test as an "Unhandled error between tests" in src/fetcher.test.ts. This is unrelated to the version bump itself, 1.2.1 genuinely exports Hardware (via export * from './types/index.js'). It is a pre-existing test load-order bug that this PR fixes independently of PR #3.

Root cause

src/fetcher.test.ts statically imported ./fetcher before calling mock.module('@screenly/edge-apps', ...). Since ./fetcher itself imports Hardware from @screenly/edge-apps at its own top level, that import gets linked against whatever is registered under that module specifier at load time, not necessarily the mock defined later in the same file.

parser.test.ts and utils.test.ts each register their own mock.module('@screenly/edge-apps', ...) for that specifier, and neither of those mocks include a Hardware export. Bun's module mock registry is shared across the whole test run, so if one of those files' mock is still the active registration when fetcher.test.ts starts loading, ./fetcher's static import of Hardware links against that Hardware-less mock and throws the SyntaxError, exactly what CI hit.

Fix

• Drop the static import { CAPFetcher } from './fetcher' at the top of fetcher.test.ts
• Keep the mock.module('@screenly/edge-apps', ...) registration where it is (with the local Hardware mock included)
• Dynamically await import('./fetcher') only after the mock is registered, guaranteeing ./fetcher always links against this file's own mock

Mock shape and test behavior are unchanged, this is purely a load-order fix.

Test plan

• Reproduced the exact CI failure via gh run view --log-failed on PR chore(deps): bump @screenly/edge-apps to 1.2.1 #3's run
• Confirmed @screenly/edge-apps@1.2.1 does export Hardware
• Applied the fix and ran bun run test (full suite, 3 files) repeatedly: 170 pass, 0 fail
• Ran bun run format:check, bun run type-check, bun run lint, and bun run build: all clean
• Does not touch PR chore(deps): bump @screenly/edge-apps to 1.2.1 #3 or any files under .github/