[codex] Fix freebuff model picker enter #6246

Job	Run time
build-and-check	3m 0s
test-integration-packages/internal	1m 8s
test-integration-packages/billing	1m 7s
test-integration-cli	43s
test-integration-packages/agent-runtime	47s
test-integration-web	38s
test-integration-common	41s
test-integration-sdk	1m 21s
test-sdk	48s
test-cli	56s
test-packages/agent-runtime	52s
test-common	46s
test-packages/billing	45s
test-.agents	40s
test-packages/internal	51s
test-web	58s
	16m 1s

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