QGA guest-get-fsinfo can not return windows dynamic volumes
Description of problem:
Install qemu-ga (newest version) in Windows, create multiple dynamic volumes（containing multiple disks）,
![Xnip2024-01-05_17-54-06](/uploads/0f88fba59fb90e224d59e3e2353e5cf9/Xnip2024-01-05_17-54-06.jpg)

get them information via guest-get-fsinfo, but guest-get-fsinfo does not return the the dynamic volume.
Steps to reproduce:
virsh qemu-agent-command {domain} --pretty '{ "execute": "guest-get-fsinfo" }'
Additional information:
Please see if this bug can be fixed by [qga-win: Fix guest-get-fsinfo multi-disks collection](https://patchew.org/QEMU/20231227071540.4035803-1-peng.ji@smartx.com/)