TUI: Show apply patch diff. Stack: [2/2] (#2050)

Show the diff for apply patch

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src="https://github.com/user-attachments/assets/a15d6112-e83e-4612-a2bd-43285689a358"
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Stack:
-> #2050
#2049

codex-rs/tui/src/common.rs

@@ -0,0 +1 @@
+pub(crate) const DEFAULT_WRAP_COLS: u16 = 80;