A quick hotfix for new and old issues that were discovered in the latest version!

Hotfix 3 General Fixes

• Fixed memory leak / infinite loop in engine designer causing game freeze
• Fixed changing factory tooling time and costs on retooling start
• Fixed campaign top bar emissions UI not working correctly in campaign hub
• Fixed BeamNG exporter crash if BeamNG is not installed
• Fixed steel custom paint always having scratches in beamng
• Fixed balancing mass 0-100 slider value converted when using [lb]
• Tweaked difficulty presets in campaign to max out at 500 M$
• Last patch's changes to export cars' suspension & tires is now actually in

Cheers!