Change ID in image galleries to avoid duplicates and fix exhibitions test #6842

	name: Performance

	on:
	pull_request:
	paths-ignore:
	- '.buildkite/**'
	- 'assets/**'
	- 'cache/**'
	- 'cardigan/**'
	- 'content/terraform/**'
	- 'docs/**'
	- 'identity/terraform/**'
	- 'infrastructure/**'
	- 'playwright/**'
	- 'prismic-model/**'
	- 'preview/**'

	jobs:
	bundle_size_diff:
	name: Bundle size diff
	runs-on: ubuntu-20.04
	steps:
	- uses: actions/checkout@v4
	# https://github.com/actions/setup-node?tab=readme-ov-file#usage
	# The node-version input is optional. If not supplied, the node version from PATH will be used.
	# However, it is recommended to always specify Node.js version and don't rely on the system one.
	- uses: actions/setup-node@v4
	with:
	node-version: 20
	- uses: preactjs/compressed-size-action@v2
	with:
	build-script: "build-webapps"
	clean-script: "clean"
	pattern: "/webapp/{.next/static/chunks,lib/frontend/build}//*.js"
	strip-hash: "\\b[-\\.](\\w{20})\\.js$"
	minimum-change-threshold: 512 # Only report changes for > 0.5kb

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