fix: explicitly set port

Author: jamesdabbs

.github/workflows/e2e.yaml

@@ -72,7 +72,7 @@ jobs:
           browser: chrome
           build: echo "Start runs build"
           command: pnpm --filter viewer run cy:run --config baseUrl=http://localhost:4173
-          start: pnpm --filter viewer run preview
+          start: pnpm --filter viewer run preview -- --port 4173
           record: true
         env:
           CYPRESS_RECORD_KEY: ${{ secrets.CYPRESS_RECORD_KEY }}