Maxco10

Results 3 issues of Maxco10

### Support guidelines - [X] I've read the [support guidelines](https://github.com/firefly-iii/firefly-iii/blob/main/.github/support.md) ### I've found a bug and checked that ... - [X] ... [the documentation](https://docs.firefly-iii.org/) does not mention anything about my...

bug
fixed

This pull request adds the "Clone expense" feature to Spliit projects. The feature can be useful as shortcut for all similar transactions. https://github.com/user-attachments/assets/12f30121-efe7-4b53-8b7e-0d5d93c31744