DevTools - Serialize lists of DevToolsDomainEntityBase

[campersau]

Fixes:
#3485 (comment)

Summary:

• Add special case for serializing IList<DevToolsDomainEntityBase> dev tools parameters.

How Has This Been Tested?
unittest

Types of changes

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to change)
• Updated documentation

Checklist:

• Tested the code(if applicable)
• Commented my code
• Changed the documentation(if applicable)
• New files have a license disclaimer
• The formatting is consistent with the project (project supports .editorconfig)

[AppVeyorBot]

✅ Build CefSharp 90.2.30-CI4002 completed (commit fbe6ba3ca9 by @campersau)

[amaitland]

Thanks you!