Bug: Hologram copy bug

### In which plugin has the error occurred?

FancyHolograms

### What happened?

When you copy the holograms, the file is not saved, and when you restart, the holograms are deleted.

### In which software has the error occurred?

Other

### Plugin version

3.0.0-SNAPSHOT.7 Git: undefin

### Server version

1.21.4

### Relevant log output

```shell
[23:36:40 INFO]: Nixoly issued server command: /holo copy Skyblock Sky
[23:36:40 INFO]: [FancyHolograms] (Server thread) ERROR: Hologram Skyblock has no file path set
[23:36:50 INFO]: Nixoly issued server command: /fancyholograms save
[23:36:50 INFO]: [FancyHolograms] (Server thread) ERROR: Hologram Sky has no file path set
[23:36:50 INFO]: [FancyHolograms] (Server thread) ERROR: Hologram Skyblock has no file path set
[23:37:18 INFO]: [FancyHolograms] (FancyHolograms-Hologram) ERROR: Hologram Sky has no file path set
[23:37:18 INFO]: [FancyHolograms] (FancyHolograms-Hologram) ERROR: Hologram Skyblock has no file path set
```