File sharing fixes: canceling transfers, displaying transfers & progress server-side, invalid sub files aren't selected or sent

Subsurface/Source/DebugConsole.cs

@@ -417,6 +417,20 @@ namespace Barotrauma
                     //Hull.DebugDraw = !Hull.DebugDraw;
                     //Ragdoll.DebugDraw = !Ragdoll.DebugDraw;
                     GameMain.DebugDraw = !GameMain.DebugDraw;
+                    break;
+                case "sendrandomdata":
+                    int messageCount = 1;
+
+                    if (commands.Length>1) int.TryParse(commands[1], out messageCount);
+
+                    for (int i = 0; i < messageCount; i++ )
+                    {
+                        if (GameMain.Server!=null)
+                        {
+                            GameMain.Server.SendRandomData();
+                        }
+                    }
+
                     break;
                 case "netstats":
                     if (GameMain.Server == null) return;