It seems we have an identical .storybook folder to databridge. Only difference is databridge includes an additional part of config.js which uses extendVueEnvironment to customise the Vue environment in storybook.
It looks like, despite this folder originally being a straight copy/paste of databridge it's now be adapted manually a few times.
Although there might be advantages to reducing code-duplication we probably aren't that interested in to now given that:
- different storybooks may still *want* different configs
- we suspect we might be wanting to move to vite/rollup soon (indeed "querybuilder" which was developed after this ticket is written T276366) is moving as I type