Stream apply_patch changes (#17862)

Adds new events for streaming apply_patch changes from responses api.
This is to enable clients to show progress during file writes.

Caveat: This does not work with apply_patch in function call mode, since
that required adding streaming json parsing.

codex-rs/mcp-server/src/codex_tool_runner.rs

@@ -347,6 +347,7 @@ async fn run_codex_tool_session_inner(
                     | EventMsg::BackgroundEvent(_)
                     | EventMsg::StreamError(_)
                     | EventMsg::PatchApplyBegin(_)
+                    | EventMsg::PatchApplyUpdated(_)
                     | EventMsg::PatchApplyEnd(_)
                     | EventMsg::TurnDiff(_)
                     | EventMsg::WebSearchBegin(_)