Add wifi support for ROS 7.13+ devices without a physical wifi radio

[mvn23]

Proposed change

My CCR2004 has no physical wifi radio, but can manage CAPs through the wifi menu.
Since ROS 7.13, this is no longer a separate package (only routeros is listed under packages).
With this PR, we add support for this scenario by disabling capsman and setting the _wifimodule to wifi if we're running on ROS 7.13 or later.

Type of change

• Bugfix
• New feature
• Code quality improvements to existing code or addition of tests
• Documentation

Additional information

Note: The code was not formatted with black as that would have resulted in a lot of unrelated changes.

Checklist

• The code change is tested and works locally.
• The code has been formatted using Black.
• Tests have been added to verify that the new code works.
• Documentation added/updated if required.

[brezuicabogdan]

I have been testing this branch for the last 24 hours on ROS 7.16and wifi-qcom capsman setup and I did not notice any issues.
I haven't been able to use this integration since upgrading to ros 7 even without capsman so I am very eager to see this merged.