Reset sections sent on /converthallow/corruption

This forces the server to resend sections to players, showing the new tile changes

TShockAPI/Commands.cs

@@ -1248,6 +1248,7 @@ namespace TShockAPI
                     }
                 }
             }
+            Netplay.ResetSections();
             TShock.Utils.Broadcast("Corruption conversion done.");
         }
 
@@ -1274,6 +1275,7 @@ namespace TShockAPI
                     }
                 }
             }
+            Netplay.ResetSections();
             TShock.Utils.Broadcast("Hallow conversion done.");
         }