libvirt_volume target.permissions.mode fails due to incorrect comparision

[scupperscupper]

Hello,

while trying the new version 0.9.1, I have encountered this error :

resource "libvirt_volume" "main_disk" {
  name   = "main.qcow2"
  pool   = "new"
  create = {
    content = {
      url = "https://cloud-images.ubuntu.com/noble/current/noble-server-cloudimg-amd64.img"
    }
  }
  target = {
    permissions = {
      owner = "64055"
      group = "108"
      mode  = "770"
    }
  }
}

libvirt_volume.main_disk: Creating...
╷
│ Error: Provider produced inconsistent result after apply
│
│ When applying changes to libvirt_volume.main_disk, provider "provider["registry.terraform.io/dmacvicar/libvirt"]"
│ produced an unexpected new value: .target.permissions.mode: was cty.StringVal("770"), but now cty.StringVal("0770").
│
│ This is a bug in the provider, which should be reported in the provider's own issue tracker.