Fix slightly broken network configuration

[igorpecovnik]

Description

• fix bug for not able to select DHCP mode on wired adaptor
• show warning that AP only works in bridge mode
• small cosmetic fixes

Testing Procedure

• Testing enabling disabling AP in various modes

Checklist

• My code follows the style guidelines of this project
• I have performed a self-review of my code
• I have ensured that my changes do not introduce new warnings or errors
• No new external dependencies are included
• Changes have been tested and verified
• I have included necessary metadata in the code, including associative arrays