Fix : Submenus are inaccessible via keyboard Enter/Space (Response::fake_primary_click) #293

	# This action builds and deploys egui_demo_app on each pull request created
	# Security notes:
	# The preview deployment is split in two workflows, preview_build and preview_deploy.
	# `preview_build` runs on pull_request, so it won't have any access to the repositories secrets, so it is safe to
	# build / execute untrusted code.
	# `preview_deploy` has access to the repositories secrets (so it can push to the pr preview repo) but won't run
	# any untrusted code (it will just extract the build artifact and push it to the pages branch where it will
	# automatically be deployed).

	name: Preview Build

	on:
	- pull_request

	jobs:
	build:
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v2
	- run: rustup toolchain install stable --profile minimal --target wasm32-unknown-unknown
	- uses: Swatinem/rust-cache@v2
	with:
	prefix-key: "pr-preview-"

	- name: "Install wasmopt / binaryen"
	run: \|
	sudo apt-get update && sudo apt-get install binaryen

	- run: \|
	scripts/build_demo_web.sh --release

	- name: Remove gitignore file
	# We need to remove the .gitignore, otherwise the deploy via git will not include the js and wasm files
	run: \|
	rm -rf web_demo/.gitignore

	- uses: actions/upload-artifact@v4
	with:
	name: web_demo
	path: web_demo

	- name: Generate meta.json
	env:
	PR_NUMBER: ${{ github.event.number }}
	PR_BRANCH: ${{ github.head_ref }}
	run: \|
	echo "{\"pr_number\": \"$PR_NUMBER\", \"pr_branch\": \"$PR_BRANCH\"}" > meta.json

	- uses: actions/upload-artifact@v4
	with:
	name: meta.json
	path: meta.json

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