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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
```
If set to C(False) or not specified, do OS customization when cloning from the template or the virtual machine. version_added: 2.8'
    - ' - C(dns_servers) (list): List of DNS servers to configure.'
    - ' - C(dns_suffix) (list): List of domain suffixes, also known as DNS search path (default: C(domain) parameter).'
    - ' - C(domain) (string): DNS domain name to use.'
    - ' - C(hostname) (string): Computer hostname (default: shorted C(name) parameter). Allowed characters are alphanumeric (uppercase and lowercase)
          and minus, rest of the characters are dropped as per RFC 952.'
    - 'Parameters related to Linux customization:'
    - ' - C(timezone) (string): Timezone (See List of supported time zones for different vSphere versions in Linux/Unix
          systems (2145518) U(https://kb.vmware.com/s/article/2145518)). version_added: 2.9'
    - ' - C(hwclockUTC) (bool): Specifies whether the hardware clock is in UTC or local time.
          True when the hardware clock is in UTC, False when the hardware clock is in local time. version_added: 2.9'
    - 'Parameters related to Windows customization:'
    - ' - C(autologon) (bool): Auto logon after virtual machine customization (default: False).'
    - ' - C(autologoncount) (int): Number of autologon after reboot (default: 1).'
    - ' - C(domainadmin) (string): User used to join in AD domain (mandatory with C(joindomain)).'
    - ' - C(domainadminpassword) (string): Password used to join in AD domain (mandatory with C(joindomain)).'
    - ' - C(fullname) (string): Server owner name (default: Administrator).'
    - ' - C(joindomain) (string): AD domain to join (Not compatible with C(joinworkgroup)).'
    - ' - C(joinworkgroup) (string): Workgroup to join (Not compatible with C(joindomain), default: WORKGROUP).'
    - ' - C(orgname) (string): Organisation name (default: ACME).'
    - ' - C(password) (string): Local administrator password.'
    - ' - C(productid) (string): Product ID.'
    - ' - C(runonce) (list): List of commands to run at first user logon.'
    - ' - C(timezone) (int): Timezone (See U(https://msdn.microsoft.com/en-us/library/ms912391.aspx)).'
    version_added: '2.3'
  vapp_properties:
    description:
    - A list of vApp properties
    - 'For full list of attributes and types refer to: U(https://github.com/vmware/pyvmomi/blob/master/docs/vim/vApp/PropertyInfo.rst)'
    - 'Basic attributes are:'