feat(macchanger): add --random-mac-vendor flag and improve privacy with --random-mac

[ahmed-alnassif]

feat(args.py): add --random-mac-vendor to keep vendor bytes and --random-mac for full random mac

refactor(config.py): add random mac logic with conflict handling between flags

feat(macchanger.py): allow user to choose between -e (vendor) and -r (full random) for better privacy

Currently --random-mac uses macchanger -e which keeps vendor bytes (first 3 octets)
This leaks manufacturer information and enables device fingerprinting

Changes:

• --random-mac now uses -r (full random) for maximum privacy
• --random-mac-vendor uses -e (keep vendor) for compatibility
• Graceful handling when both flags are used (falls back to full random)
• Clear user feedback showing which mode is active

Example:
wifite --random-mac # full random (maximum privacy)
wifite --random-mac-vendor # vendor-preserved (better compatibility)
wifite --random-mac --random-mac-vendor # warns and uses full random

This gives users control over privacy vs compatibility while maintaining
backward compatibility with existing --random-mac usage

[sorryhack]

git clone https://github.com/kimocoder/wifite2.git
cd wifite2
sudo python3 setup.py install
sudo wifite # boom, runs as root

[ahmed-alnassif]

Run sourcery login --token 
Error: Option '--token' requires an argument.
Process completed with exit code 2.

The issue is from the workflow and not the code.

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Do I need to do anything before you merge my changes?