feat(list)!: add mode property to choose between flat and nested lists #3282

	name: Icon Team Diff Check
	on:
	pull_request:
	branches: [dev]
	pull_request_review:
	types: [submitted]
	jobs:
	check-diff:
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v4
	with:
	fetch-depth: 0
	ref: ${{ github.event.pull_request.head.sha }}
	- name: Check changed files
	id: check-diff
	run: \|
	non_icon_changes="$(
	git diff --name-only HEAD "$(
	git merge-base HEAD origin/dev
	)" -- . ':!/calcite-ui-icons/'
	)"

	printf "changed non-icon files:\n%s" "$non_icon_changes"

	# skip if the only changes are in package/calcite-ui-icons
	if [ -z "$non_icon_changes" ]; then
	echo "SKIP=true" >> "$GITHUB_OUTPUT"
	else
	echo "SKIP=false" >> "$GITHUB_OUTPUT"
	fi
	- if: steps.check-diff.outputs.SKIP == 'false'
	name: Check pull request author and reviewers
	uses: actions/github-script@v7
	with:
	github-token: ${{ secrets.ADMIN_TOKEN }}
	script: \|
	const action = require('${{ github.workspace }}/.github/scripts/iconTeamDiffCheck.js')
	await action({github, context, core})

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