Added early report of up status for drive.

This will give faster feedback to the operators as they put drives up.
The scheduling can sometimes take a long time and the status update only happened after that.

tapeserver/castor/tape/tapeserver/daemon/DataTransferSession.cpp

@@ -129,6 +129,8 @@ schedule:
   }
   // 2b) Get initial mount information
   std::unique_ptr<cta::TapeMount> tapeMount;
+  // As getting next mount could be long, we report the drive as up immediately.
+  m_scheduler.reportDriveStatus(m_driveInfo, cta::common::dataStructures::MountType::NoMount, cta::common::dataStructures::DriveStatus::Up, lc);
   try {
     tapeMount.reset(m_scheduler.getNextMount(m_driveConfig.logicalLibrary, m_driveConfig.unitName, lc).release());
   } catch (cta::exception::Exception & e) {