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##### SUMMARY

Two vmware modules uses `copy()` to duplicate an internal instance of a pyvmomi object. This to be able to modify the object during an iteration.

- https://github.com/ansible/ansible/blob/622a493ae03bd5e5cf517d336fc426e9d12208c7/lib/ansible/modules/cloud/vmware/vmware_guest.py#L788
- https://github.com/ansible/ansible/blob/622a493ae03bd5e5cf517d336fc426e9d12208c7/lib/ansible/modules/cloud/vmware/vmware_datastore_facts.py#L220

As explain here, https://github.com/ansible/ansible/pull/60196/files#r312643761 this is not the best approach and this may impact the performance.

##### ISSUE TYPE
- Bug Report

##### COMPONENT NAME

vmware

##### ANSIBLE VERSION
<!--- Paste verbatim output from "ansible --version" between quotes -->
```paste below
devel
```
password: "{{ vcenter_password }}"
    validate_certs: no
    folder: /testvms
    name: testvm_2
    state: poweredon
    template: template_el7
    disk:
    - size_gb: 10
      type: thin
      datastore: g73_datastore
    hardware:
      memory_mb: 512
      num_cpus: 6
      num_cpu_cores_per_socket: 3
      scsi: paravirtual
      memory_reservation_lock: True
      mem_limit: 8096
      mem_reservation: 4096
      cpu_limit: 8096
      cpu_reservation: 4096
      max_connections: 5
      hotadd_cpu: True
      hotremove_cpu: True
      hotadd_memory: False
      version: 12 # Hardware version of virtual machine
      boot_firmware: "efi"
    cdrom:
      type: iso
      iso_path: "[datastore1] livecd.iso"
    networks: