replaced icons with those made ourselves

replaces the icons originally borrowed from another mission
hotfix missing icon
Improved FPS fix
New R3F icons
Minor R3F fixes
Fixed multiple items glitch on spawn
Minor color tweaks in welcome message
Minor rewording
Fixed player menu icons scale
Increased listbox font size
Minor rewording again
Removed defunct line from FPS fix
Fixed TPG_fnc_MP vulnerability
Improved fn_vehicleInit
Improved double purchase prevention
Improved double sell prevention, commented selling scripts
Other new icons
Minor gunstore rewording
Minor globalCompile tweak