[codex] Fix freebuff model picker enter #6245

Job	Run time
build-and-check	2m 41s
test-integration-packages/billing	1m 17s
test-integration-packages/internal	1m 14s
test-integration-sdk	1m 17s
test-integration-cli	52s
test-integration-common	51s
test-integration-web	50s
test-integration-packages/agent-runtime	41s
test-.agents	47s
test-common	39s
test-packages/billing	51s
test-sdk	53s
test-packages/agent-runtime	45s
test-packages/internal	50s
test-cli	52s
test-web	1m 1s
	16m 21s

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