fix(react-wallet-kit): add missing jest-environment-jsdom devDep

[blockgroot]

Summary & Motivation

Fixes #1473.

@turnkey/react-wallet-kit's test suite is broken: src/tests/timers-test.ts declares

/**
 * @jest-environment jsdom
 */

which requires jest-environment-jsdom to be resolvable, but that package was never a
devDependency of react-wallet-kit — only of the unrelated packages/telegram-cloud-storage-stamper.
Since the repo's .npmrc sets no hoist pattern, pnpm's default strict linking means one
workspace package can't resolve another's devDependency as a phantom dependency, so this
fails on both a full pnpm install -r and a scoped --filter install.

This has gone unnoticed because .github/workflows/reusable-test.yml runs
pnpm test --filter="$(./.github/scripts/get-turbo-affected.sh ...)" — only packages
turbo considers affected by the current diff. None of the recent merges to main touched
react-wallet-kit, so its test job was silently skipped every time.

Fix: add jest-environment-jsdom (matching the ^29.7.0 version already used by
telegram-cloud-storage-stamper) to react-wallet-kit's devDependencies. No source or
runtime change — this only makes the existing test declaration resolvable.

How I Tested These Changes

pnpm --filter @turnkey/react-wallet-kit test

Before:

FAIL src/tests/timers-test.ts
  ● Test suite failed to run
    Test environment jest-environment-jsdom cannot be found. ...

Test Suites: 1 failed, 3 passed, 4 total
Tests:       37 passed, 37 total

After:

PASS src/tests/captcha-test.ts
PASS src/tests/oauth-test.ts
PASS src/tests/timers-test.ts
PASS src/tests/utils-test.ts

Test Suites: 4 passed, 4 total
Tests:       49 passed, 49 total

Also ran pnpm --filter @turnkey/react-wallet-kit build and pnpm prettier --check on the
changed files — both clean.

pnpm-lock.yaml change is a hand-verified minimal 3-line addition (checked with
pnpm install --frozen-lockfile --filter "@turnkey/react-wallet-kit...", which reported
"Lockfile is up to date, resolution step is skipped" — no drift).

Did you add a changeset?

Yes — .changeset/tame-otters-jsdom.md, @turnkey/react-wallet-kit patch.

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