message: Add missing `npm run build` to layer-check script
diff: "clean:nyc": "rimraf nyc/**",
  "clean:r11s": "cd server/routerlicious && npm run clean",
  "layer-check": "cd tools/fluid-build && npm run layer-check",
  - "layer-check:full": "cd tools/fluid-build && npm install && npm run layer-check",
  + "layer-check:full": "cd tools/fluid-build && npm install && npm run build && npm run layer-check",
  "postinstall": "npm run postinstall:lerna && (npm run postinstall:fluid-build || true)",
  "policy-check": "cd tools/repo-policy-check && npm run policy-check",
  "policy-check:full": "cd tools/repo-policy-check && npm install && npm run policy-check",
  