message: Tweak the build-all script
diff: "scripts": {
  "run": "electron src/Main.js --dev-tools",
  - "build-all": "npm run install-extension-api ; npm run build ; npm run build-extensions ; npm run build-icons",
  + "build-all": "npm run npm-install-extension-api ; npm run build ; npm run build-extensions",
  "build": "npm install extraterm-extension-api ; tsc",
  "build-extensions": "npm run npm-install-extension-api ; node src/build_scripts/npm_extensions.js build",
  "build-icons": "node src/extra_icons/build.js",
  