Behavior Tree UI changes

• Made the panel with nodes collapsible + changed how nodes look (they take much less space now)
• Fixed problems with some nodes icons not being shown properly
• Improved UX when operating with many(>3) BTs simultaneously

Added "About" aka Credits

EyeAuras includes almost two hundreds of libraries covering different parts of its functionality and I want to give credits to authors.

Bugfixes/Improvements

• [Crash] Safer overlay toggling #EA-451 by n1katio
• [TimerTrigger] Fixed trigger not activating properly
• [Pack] Added two new options in packing - now you can bundle your personal config
• [Crash] Fixed crash in PropertyEditor #EA-454 y madscream
• [Crash] Changed initialization routine #EA-453 by dutiful6005