[FSD] Send correct pilot rating, use threadsafe getters in some places

The thread safety is still premature for the FSD client class.
However, most likely no critical as those values have to be preset and never change.

src/blackcore/fsd/fsdclient.h

@@ -113,21 +113,32 @@ namespace BlackCore
             void setAtcRating(AtcRating rating)     { QWriteLocker l(&m_lockUserClientBuffered); m_atcRating = rating; }
             //! @}
 
+            // ------ thread safe access to preset values -----
+
             //! Get the server
+            //! \threadsafe
             const BlackMisc::Network::CServer &getServer() const { QReadLocker l(&m_lockUserClientBuffered); return m_server; }
 
             //! List of all preset values
+            //! \threadsafe
             QStringList getPresetValues() const;
 
             //! Callsign if any
+            //! \threadsafe
             BlackMisc::Aviation::CCallsign getPresetCallsign() const { QReadLocker l(&m_lockUserClientBuffered); return m_ownCallsign; }
 
             //! Partner callsign if any
+            //! \threadsafe
             BlackMisc::Aviation::CCallsign getPresetPartnerCallsign() const { QReadLocker l(&m_lockUserClientBuffered); return m_partnerCallsign; }
 
             //! Mode
+            //! \threadsafe
             BlackMisc::Network::CLoginMode getLoginMode() const { QReadLocker l(&m_lockUserClientBuffered); return m_loginMode; }
 
+            //! Rating
+            //! \threadsafe
+            PilotRating getPilotRating() const { QReadLocker l(&m_lockUserClientBuffered); return m_pilotRating; }
+
             //! Connenct/disconnect @{
             void connectToServer();
             void disconnectFromServer();