keyboard navigation for waiting room #6430

Job	Run time
build-and-check	2m 49s
test-integration-packages/internal	1m 5s
test-integration-packages/billing	1m 17s
test-integration-packages/agent-runtime	39s
test-integration-cli	47s
test-integration-common	50s
test-integration-sdk	1m 15s
test-integration-web	50s
test-common	39s
test-packages/billing	39s
test-packages/internal	1m 6s
test-web	1m 9s
test-cli	55s
test-.agents	45s
test-sdk	44s
test-packages/agent-runtime	55s
	16m 24s

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