ServerEntityEventManager doesn't process received events until the character inputs of the client for the corresponding frame have been processed (fixes character movement lagging behind EntityEvents at the servers side)

+ split character networking logic into a separate file, characters drop items at the position of their collider instead of hands

Subsurface/Source/Map/Hull.cs

@@ -842,7 +842,7 @@ namespace Barotrauma
             lastSentOxygen = OxygenPercentage;
         }
 
-        public void ClientRead(ServerNetObject type, NetIncomingMessage message, float sendingTime)
+        public void ClientRead(ServerNetObject type, NetBuffer message, float sendingTime)
         {
             Volume = message.ReadRangedSingle(0.0f, 1.5f, 8) * FullVolume;
             OxygenPercentage = message.ReadRangedSingle(0.0f, 100.0f, 8);

Subsurface/Source/Map/Structure.cs

@@ -872,7 +872,7 @@ namespace Barotrauma
             }
         }
 
-        public void ClientRead(ServerNetObject type, NetIncomingMessage msg, float sendingTime) 
+        public void ClientRead(ServerNetObject type, NetBuffer msg, float sendingTime) 
         {
             for (int i = 0; i < sections.Count(); i++)
             {

Subsurface/Source/Map/Submarine.cs

@@ -1286,7 +1286,7 @@ namespace Barotrauma
             msg.Write(PhysicsBody.SimPosition.Y);
         }
 
-        public void ClientRead(ServerNetObject type, NetIncomingMessage msg, float sendingTime)
+        public void ClientRead(ServerNetObject type, NetBuffer msg, float sendingTime)
         {
             var newTargetPosition = new Vector2(
                 msg.ReadFloat(),