disable slash menu if currently navigating through history #4398

Job	Run time
build-and-check	3m 8s
test-.agents	1m 3s
test-backend	1m 5s
test-cli	1m 13s
test-packages/agent-runtime	1m 14s
test-common	59s
test-packages/internal	58s
test-integration-.agents	1m 5s
test-npm-app	1m 2s
test-integration-cli	4m 5s
test-web	1m 9s
test-integration-packages/agent-runtime	1m 1s
test-packages/billing	57s
test-integration-common	58s
test-integration-packages/internal	1m 5s
test-integration-packages/billing	1m 4s
test-integration-npm-app	56s
test-integration-web	57s
test-integration-backend	1m 6s
	25m 5s

Provide feedback