- fixed horse bags inventory access

- fix client crash when player die while horse riding

- fixes crash while heavy item in hands (Thx Admiral)
- fixes issue with jump while mounting (Thx Admiral)

- added SaddleBags

- fixed particle while unicorn is dead
- disabled climbing while on horse

- cargo for stables show only when fully built
- horse cannot be put into stable when not fully built
- horse can now run into infected and hit them like vehicle

- tweaked horse stamina (can sprint longer time)
- shoot animation played only when you can shoot
- tweak of horse jumping (Thx Admiral)
- minor nullpointer fix

- added unicorn particles (Thx Nazzgy)
- removed unicorn attachments
- changed unicorn AI
- disabled unmount while jumping to prevent unmount glitch

- added iron sight
- modified camera for ironsight
- fixed minor null pointer

- you can mount horse while pistol in hands
- you can shoot now while ride horse (pistols only)
- its used temporary anim, so patience please
- reloading works while weapon raised by pressing key for reload
- inventory handling while riding horse not yet fully done