feat: added provider to run quiet mode function (#571)

Adding support to be able to run other models in quiet mode

ie: `codex --approval-mode full-auto -q "explain the current directory"
--provider xai --model grok-3-beta`

codex-cli/src/cli.tsx

@@ -489,6 +489,7 @@ async function runQuietMode({
     model: config.model,
     config: config,
     instructions: config.instructions,
+    provider: config.provider,
     approvalPolicy,
     additionalWritableRoots,
     disableResponseStorage: config.disableResponseStorage,