## Summary
**What** — What changes are introduced in this PR?
Limit file uploads to 1MB
**Why** — Why are these changes relevant or necessary?
Prevent large file uploads in the Admin
**How** — How have these changes been implemented?
Set size limits on the file uploads
**Testing** — How have these changes been tested, or how can the reviewer test the feature?
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## Checklist
Please ensure the following before requesting a review:
- [ ] I have added a **changeset** for this PR
- Every non-breaking change should be marked as a **patch**
- To add a changeset, run `yarn changeset` and follow the prompts
- [ ] The changes are covered by relevant **tests**
- [ ] I have verified the code works as intended locally
- [ ] I have linked the related issue(s) if applicable
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## Additional Context
CLOSES CORE-1270
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> [!NOTE]
> Adds a 1MB default file size limit to `FileUpload`, surfaces size/type rejections in media forms via new i18n, and allows unlimited size for product import.
>
> - **Components**:
> - `components/common/file-upload/file-upload.tsx`:
> - Add `maxFileSize` (default 1MB) and size validation; return `rejectedFiles` alongside valid files.
> - **Products › Media Upload**:
> - `upload-media-form-item.tsx`:
> - Handle `rejectedFiles` and set form errors for invalid type and oversized files.
> - **Products › Import**:
> - `upload-import.tsx`: Use `maxFileSize={Infinity}` to disable size limit for CSV import.
> - **i18n**:
> - Schema and EN translations: add `products.media.fileTooLarge` message.
>
> <sup>Written by [Cursor Bugbot](https://cursor.com/dashboard?tab=bugbot) for commit c8c67f4d329f8767e99694649bf0b3fe4cf400e9. This will update automatically on new commits. Configure [here](https://cursor.com/dashboard?tab=bugbot).</sup>
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