fix(core): Converts boat packets (#416)

- [X] Converts boat packets
- [X] Makes a packet container builder for packet 0xF7
- [X] Generalizes world item packet so it works for mobiles too

Notes:
- This PR doesn't address proper smooth movement for boats.

Projects/Server.Tests/Helpers/PacketTestUtilities.cs

@@ -24,5 +24,11 @@ namespace Server.Tests.Network
 
             return new NetState(socket.Object);
         }
+
+        public static Map CreateTestMap()
+        {
+            var map = new Mock<Map>();
+            return map.Object;
+        }
     }
 }

Projects/Server.Tests/Tests/Network/Packets/Outgoing/ItemPacketTests.cs

@@ -69,7 +69,7 @@ namespace Server.Tests.Network
             var expected = new WorldItemSA(item).Compile();
 
             using var ns = PacketTestUtilities.CreateTestNetState();
-            ns.ProtocolChanges = ns.ProtocolChanges | ProtocolChanges.StygianAbyss;
+            ns.ProtocolChanges = ProtocolChanges.StygianAbyss;
             ns.SendWorldItem(item);
 
             var result = ns.SendPipe.Reader.TryRead();
@@ -104,7 +104,7 @@ namespace Server.Tests.Network
             var expected = new WorldItemHS(item).Compile();
 
             using var ns = PacketTestUtilities.CreateTestNetState();
-            ns.ProtocolChanges = ns.ProtocolChanges | ProtocolChanges.StygianAbyss | ProtocolChanges.HighSeas;
+            ns.ProtocolChanges = ProtocolChanges.StygianAbyss | ProtocolChanges.HighSeas;
             ns.SendWorldItem(item);
 
             var result = ns.SendPipe.Reader.TryRead();