Right now when clicking on loadmore on files change page, if the loaded
content is image, it will be always in load status:
39e449b6-067a-474c-9443-9dd98d5bbfe2
This PR fixes this by adding `initImageDiff ` to `onShowMoreFiles `
After:
87bbb13e-0064-4a6e-a7ad-0f0060eb8bff