Fix some more prediction errors * HL1 357 & crossbow zoom * HL2 crossbow zoom Fixed prediction errors with SLAM * Also fixed it not using world clicker aim angles * Fixed it trying to play non existent TripmineGrenade.StopSound * Disable unused "attach satchel" code (different from attach tripwire) * Disallow switching to tripwires or back while throwing/attaching slams Fixed prediction errors with HL1 satchel Predict hornet gun ammo regen Groundworkd for HLS RPG prediction error fixes (req networking changes)