Weapons adopt newly picked up weapons' palette during transition

[no-lex]

This is most noticeable on the new zapper model due to its large paletted area, but all weapons exhibit the same issue. Immediately upon picking up another weapon (typically a mine or grenade) the weapon being put away adopts the palette colour of the new weapon for the short period of time before the weapon leaves the FOV. A short delay would probably fix this; it's usually only visible for a few frames after grabbing the weapon.