[workbench] Use `lightbulb_2` icon for thinking (#30303)

GitOrigin-RevId: 26346ce1f70ab419188bb9de503572e05d928ff9

services/web/frontend/fonts/material-symbols/unfilled-symbols.mjs

@@ -37,6 +37,7 @@ export default /** @type {const} */ ([
   'info',
   'integration_instructions',
   'lightbulb',
+  'lightbulb_2',
   'lock',
   'lock_open',
   'more_vert',

services/web/package.json

@@ -51,6 +51,7 @@
     "routes": "bin/routes",
     "storybook": "storybook dev -p 6006 --no-open",
     "build-storybook": "storybook build",
+    "build-unfilled-fonts": "node frontend/fonts/material-symbols/build-unfilled.mjs",
     "precompile-pug": "node app/src/infrastructure/Views.mjs",
     "local:nodemon": "set -a;. ../../config/dev-environment.env;. ./docker-compose.common.env;. ../../config/local-dev.env;. ./local-dev.env;. ../../config/local.env; set +a; echo $OVERLEAF_CONFIG; WEB_PORT=13000 LISTEN_ADDRESS=0.0.0.0 npm run nodemon",
     "local:webpack": "set -a;. ../../config/dev-environment.env;. ./docker-compose.common.env;. ../../config/local-dev.env;. ./local-dev.env;. ../../config/local.env; set +a; PORT=13808 OVERLEAF_CONFIG=$(pwd)/config/settings.webpack.js npm run webpack",