feat: attach sparse .vmdk when creating r/virtual_machine

[spacegospod]

Description

Allow for the creation of VMs using existing 2gb sparse disks.

Acceptance tests

• Have you added an acceptance test for the functionality being added?
• Have you run the acceptance tests on this branch?

Added an acceptance test with instructions how to prepare the testing environment.
The test is disabled by default.

  ✅ TestAccResourceVSphereVirtualMachine_addDevices (1m56.92s)
  ✅ TestAccResourceVSphereVirtualMachine_basic (1m26.03s)
  ✅ TestAccResourceVSphereVirtualMachine_hardwareVersionBare (1m18.51s)
  ✅ TestAccResourceVSphereVirtualMachine_hardwareVersionClone (2m1.26s)
  ✅ TestAccResourceVSphereVirtualMachine_hardwareVersionUpgrade (2m5.53s)
  ✅ TestAccResourceVSphereVirtualMachine_highDiskUnitNumbers (1m27.91s)
  ✅ TestAccResourceVSphereVirtualMachine_highDiskUnitsToRegularSingleController (2m20.41s)
  ✅ TestAccResourceVSphereVirtualMachine_ignoreValidationOnComputedValue (42.62s)
  ✅ TestAccResourceVSphereVirtualMachine_moveToFolder (1m48.05s)
  ✅ TestAccResourceVSphereVirtualMachine_multiDevice (1m21.23s)
  ✅ TestAccResourceVSphereVirtualMachine_reCreateOnDeletion (1m56.05s)
  ✅ TestAccResourceVSphereVirtualMachine_removeMiddleDevices (2m8.81s)
  ✅ TestAccResourceVSphereVirtualMachine_removeMiddleDevicesChangeDiskUnit (2m7.67s)
  ✅ TestAccResourceVSphereVirtualMachine_scsiBusSharing (2m0.19s)
  ✅ TestAccResourceVSphereVirtualMachine_scsiBusSharingUpdate (2m43.42s)
  ✅ TestAccResourceVSphereVirtualMachine_shutdownOK (1m34.56s)

Release Note

Release note for CHANGELOG:

Support creating VM from existing 2GB sparse VMDK

References

Closes #2367