refactor(diagnostic,scoop-checkup): Improvements for 'check_windows_defender' and 'scoop-checkup'

[HUMORCE]

Description

• Skip check_windows_defender when have not admin privileges
• Separate defender issues($defenderIssues), mark as performance problem instead potential problem
• Add a security tips (display when defender issues are found)
• Skip check for ExclusionPath, if defender realtime protect is disabled (there no way to distinguish between temporary and permanen disable, for now)
• Downgrade check_windows_defender checks output from WARN to INFO (it may also be an Upgrade, in some views)

Motivation and Context

Closes #4098

Relates to #4591 #4551

How Has This Been Tested?

> scoop checkup
No problems identified!

> sudo scoop checkup
INFO  Windows Defender may slow down or disrupt installs with realtime scanning.
  Consider running:
    sudo Add-MpPreference -ExclusionPath 'C:\Users\HUMOR\scoop'
  (Requires 'sudo' command. Run 'scoop install sudo' if you don't have it.)
INFO  Windows Defender may slow down or disrupt installs with realtime scanning.
  Consider running:
    sudo Add-MpPreference -ExclusionPath 'C:\ProgramData\scoop'
  (Requires 'sudo' command. Run 'scoop install sudo' if you don't have it.)
INFO  Found 2 performance problems.
WARN  Security is more important than performance, in most cases.

// disable defender realtime protect (temporary)
> sudo scoop checkup
No problems identified!

// disable defender realtime protect (group policy)
> sudo scoop checkup
No problems identified!

Checklist:

• I have read the Contributing Guide.
• I have updated the documentation accordingly.
• I have updated the tests accordingly.

[rashil2000]

Please update changelog