Fix: Fixed issue where items couldn't be dropped from 7-zip

[hishitetsu]

Resolved / Related Issues

• Were these changes approved in an issue or discussion with the project maintainers? In order to prevent extra work, feature requests and changes to the codebase must be approved before the pull request will be reviewed. This prevents extra work for the contributors and maintainers.
  Closes Bug: Dragging from 7zip window does not work #14125
  Closes Bug: "File Not Found" on dragging attachment from 7z to Files #14636

Validation
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[yaira2]

LGTM