Misc Pandora's Box (Reopened) 5.1.2

Fix profile selection and management.

Fixes travel agent support for more than 5 maps.

Update to .NET 4.8
Add .editorconfig
Update .gitignore
Perform housekeeping operations.
Extend visible art tile range to max.
Removes CPU info from logging.
Profiles are now stored locally.
Simplify application startup and profile creation flow.
Fix issues with splash screen covering startup dialogs when not running in administrator mode.
Remove MulManager.
Simplify HuePicker.
Add TerMur support.
Simplify UO directory path config.
Fix file pathing issues with Ultima.dll