Revert "Attempt to speed up arm64 desktop test"

This reverts commit 8fa8ff0.

Author: t3chguy

.github/workflows/build_desktop_test.yaml

@@ -41,9 +41,15 @@ jobs:
                   repository: ${{ github.repository == 'element-hq/element-web-pro' && 'element-hq/element-web' || github.repository }}
                   persist-credentials: false
 
+            - uses: pnpm/action-setup@fc06bc1257f339d1d5d8b3a19a8cae5388b55320 # v5
             - uses: actions/setup-node@53b83947a5a98c8d113130e565377fae1a50d02f # v6
               with:
                   node-version-file: apps/desktop/.node-version
+                  cache: "pnpm"
+
+            - name: Install Deps
+              working-directory: apps/desktop
+              run: "pnpm install --frozen-lockfile"
 
             - uses: actions/download-artifact@3e5f45b2cfb9172054b4087a40e8e0b5a5461e7c # v8
               with:
@@ -81,10 +87,8 @@ jobs:
             - name: Run tests
               timeout-minutes: 20
               shell: bash
-              working-directory: apps/desktop
               run: |
-                  PW_VERSION=$(yq -r '.catalog["@playwright/test"]' ../../pnpm-workspace.yaml)
-                  $PREFIX npx "playwright@$PW_VERSION" test \
+                  $PREFIX pnpm -C apps/desktop test \
                       ${{ runner.os != 'Linux' && '--ignore-snapshots' || '' }} \
                       ${{ inputs.blob_report == false && '--reporter=html' || '' }} \
                       $ARGS