too_large? reports false for large diffs in merge requests
<!--IssueSummary start--> <details> <summary> Everyone can contribute. [Help move this issue forward](https://handbook.gitlab.com/handbook/marketing/developer-relations/contributor-success/community-contributors-workflows/#contributor-links) while earning points, leveling up and collecting rewards. </summary> - [Close this issue](https://contributors.gitlab.com/manage-issue?action=close&projectId=278964&issueIid=544924) </details> <!--IssueSummary end--> In Rapid Diffs `Gitlab::Git::Diff` always responds with `false` for large diffs `too_large?` method in merge requests. This could be potentially caused by skipping loading diffs when diff collection hits diff limits. This leads to the following problem: ![Screen_Recording_2025-05-22_at_00.50.53](/uploads/28bd9a6f2ee55b6c3aa8bbcf9c816d50/Screen_Recording_2025-05-22_at_00.50.53.mp4) File expansion for Rapid Diffs will be available after https://gitlab.com/gitlab-org/gitlab/-/merge_requests/190100.
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