Add call_id to patch approvals and elicitations (#1660)

Builds on https://github.com/openai/codex/pull/1659 and adds call_id to
a few more places for the same reason.

codex-rs/core/src/protocol.rs

@@ -435,6 +435,8 @@ pub struct ExecApprovalRequestEvent {
 
 #[derive(Debug, Clone, Deserialize, Serialize)]
 pub struct ApplyPatchApprovalRequestEvent {
+    /// Responses API call id for the associated patch apply call, if available.
+    pub call_id: String,
     pub changes: HashMap<PathBuf, FileChange>,
     /// Optional explanatory reason (e.g. request for extra write access).
     #[serde(skip_serializing_if = "Option::is_none")]