feat(client): migration old package to rspack (#15068)

#### PR Dependency Tree


* **PR #15068** 👈

This tree was auto-generated by
[Charcoal](https://github.com/danerwilliams/charcoal)

<!-- This is an auto-generated comment: release notes by coderabbit.ai
-->
## Summary by CodeRabbit

* **Chores**
* Upgraded Vitest across packages to 4.1.8 and bumped Tailwind PostCSS
to 4.3.0
* CLI/tooling updated to support the media-capture-playground package
and adjust build/dev server behavior

* **Bug Fixes**
  * Improved workspace deletion reliability in the Electron app

* **Refactor**
* Simplified media capture playground build setup (build/config
adjustments)

* **Tests**
* Made tests more robust by preserving/restoring environment state
during runs
<!-- end of auto-generated comment: release notes by coderabbit.ai -->

packages/backend/server/src/core/quota/__tests__/state.spec.ts

@@ -327,6 +327,9 @@ test.after.always(async t => {
 });
 
 test('reconciles quota states from entitlements and business tables', async t => {
+  const previousDeploymentType = globalThis.env.DEPLOYMENT_TYPE;
+  // @ts-expect-error test mutates env singleton for cloud entitlement semantics
+  globalThis.env.DEPLOYMENT_TYPE = 'affine';
   const cases = [
     {
       name: 'owner fallback uses user entitlement and owner storage usage',
@@ -444,10 +447,15 @@ test('reconciles quota states from entitlements and business tables', async t =>
     },
   ];
 
-  for (const item of cases) {
-    await t.context.module.initTestingDB();
-    const state = await item.setup();
-    await item.assert(state);
+  try {
+    for (const item of cases) {
+      await t.context.module.initTestingDB();
+      const state = await item.setup();
+      await item.assert(state);
+    }
+  } finally {
+    // @ts-expect-error restore mutable test env singleton
+    globalThis.env.DEPLOYMENT_TYPE = previousDeploymentType;
   }
 });