Fix definition of controlling and controlled computers being swapped (#18038)

Summary of the issue:
In the user guide section for the Remote Access automatic connection mode, the definitions for "Control another computer" and "Allow this computer to be controlled" were swapped.

Description of user facing changes
The definitions have been swapped, so they are now correctly paired.
"machine" has been replaced with "computer" per Fix up user-facing Remote Access terminology #17943.
Description of development approach
Modify the table in user_docs/en/userGuide.md.

Author: SaschaCowley

user_docs/en/userGuide.md

@@ -3141,8 +3141,8 @@ This option is only available when [Automatically connect after NVDA starts](#Re
 
 |Option |Behaviour |
 |---|---|
-|Allow this machine to be controlled |Use this computer as the "controlling" computer. This allows you to execute commands on the remote computer. |
-|Control another machine |Use this computer as the "controlled" computer. This allows the operator of the "controlling" computer to use this computer as if they were sitting in front of it. |
+|Allow this computer to be controlled |Use this computer as the "controlled" computer. This allows the operator of the "controlling" computer to use this computer as if they were sitting in front of it. |
+|Control another computer |Use this computer as the "controlling" computer. This allows you to execute commands on the remote computer. |
 
 ##### Server {#RemoteAutoconnectServer}