Allow tmux-cli in free mode #636

Job	Run time
build-and-smoke-freebuff-windows	2m 39s
build-freebuff	1m 22s
e2e-agent-startup	2m 15s
e2e-slash-commands	1m 3s
e2e-startup	1m 18s
e2e-code-edit	1m 14s
e2e-terminal-command	52s
e2e-version	1m 0s
e2e-ads-behavior	1m 7s
e2e-help-command	1m 13s
	14m 3s

Provide feedback