Add a force_replace_host flag to win_domain_membership (#53542)

* Add a force_replace_host flag to win_domain_membership

Satisfies https://github.com/ansible/ansible/issues/53539

* Rework backticks

* Bump version_added

* Check for existence of current hostname as well; use LDAPFilter during search

* Rename $force_replace_host to $allow_existing_computer_account

* Added docs, porting guide and minor nit in code

lib/ansible/modules/windows/win_domain_membership.py

@@ -48,6 +48,13 @@ options:
     description:
       - When C(state) is C(workgroup), the name of the workgroup that the Windows host should be in.
     type: str
+  allow_existing_computer_account:
+    description:
+      - If a host with the same hostname is already in the AD, replace it.
+    type: bool
+    choices: [ true, false ]
+    default: false
+    version_added: "2.8"
 seealso:
 - module: win_domain
 - module: win_domain_controller