[PT ext] Sync template and update package-lock

[imnasnainaec]

The updates in the template fix 2 things:

• npm run build:production broken since tailwind update
• bug encountered in [PB Extension] Create FW project #2394

A transitive dependency that we need (but the extension template doesn't) was lost when updating package-lock.json, so this pr also adds it explicitly in devDependencies.

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Devin: https://app.devin.ai/review/sillsdev/languageforge-lexbox/pull/2527

[coderabbitai]

📝 Walkthrough

Walkthrough

Webpack now compiles TypeScript for ES2022 and configures Sass to emit expanded output before PostCSS processing.

Changes

Webpack Build Configuration

Layer / File(s)	Summary
SWC ES2022 compilation target platform.bible-extension/webpack/webpack.config.base.ts	SWC now targets ES2022 for TypeScript compilation.
Expanded Sass output platform.bible-extension/webpack/webpack.config.base.ts	The Sass loader now sets sassOptions.style to expanded.

Estimated code review effort: 2 (Simple) | ~10 minutes

Poem

I’m a rabbit with a build to run,
ES2022 makes subclassing fun.
Sass spreads wide in a tidy display,
PostCSS can parse it on its way.
Hop, hop—clean bundles today!

🚥 Pre-merge checks | ✅ 5

✅ Passed checks (5 passed)

Check name	Status	Explanation
Docstring Coverage	✅ Passed	No functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check.
Linked Issues check	✅ Passed	Check skipped because no linked issues were found for this pull request.
Out of Scope Changes check	✅ Passed	Check skipped because no linked issues were found for this pull request.
Title check	✅ Passed	The title clearly identifies the template synchronization and package-lock update described in the pull request.
Description check	✅ Passed	The description directly explains the template fixes and the explicit devDependency added after the package-lock update.

✨ Finishing Touches

📝 Generate docstrings

• Create stacked PR
• Commit on current branch

🧪 Generate unit tests (beta)

• Create PR with unit tests
• Commit unit tests in branch pt-ext/sync-from-template

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