Add option to suppress storage copy for testing

Core/Remote/PiscalSshClient.cs

@@ -69,6 +69,10 @@ namespace LeafWeb.Core.Remote
 			{
 				ssh.Connect();
 				var commandText = $"{RemoteScriptPath} -d {leafInput.DirectoryName} -p {leafInput.PhotosyntheticType} -s";
+
+				if (leafInput.SuppressStorageCopy)
+					commandText += " -t";
+
 				var command = ssh.CreateCommand(commandText);
 				command.Execute();
 				ssh.Disconnect();