git_graph: Fix subject not wrapping (#47486)

Before:

<img width="314" height="111" alt="image"
src="https://github.com/user-attachments/assets/8e3b6ac9-81f5-4d21-aa51-9807afe4a732"
/>



After:

<img width="314" height="111" alt="image"
src="https://github.com/user-attachments/assets/d209c38a-9105-4c4f-908e-ca0e063c0cbc"
/>


Release Notes:

- N/A

Signed-off-by: Marco Mihai Condrache <52580954+marcocondrache@users.noreply.github.com>
c4747714c7Marco Mihai Condrache committed on 1/23/2026, 6:11:37 PM· committed by GitHubparent9201e1f
1 file changedLine totals unavailable