Qt6 migration: LtsWidgets API fixes, LtsWebSocket logger init, RTI Docker install

- LtsWidgets: Fixed Qt6 API compatibility issues
  - QWheelEvent::delta() → angleDelta().y()
  - QStyleOption::init() → initFrom()
  - QComboBox activated signal signature change
  - QTextCodec removal (UTF-8 default in Qt6)
  - Missing widget includes added

- LtsWebSocket: Fixed m_logger reference initialization
  - Added NGLLoggerBootstrap includes
  - Proper initialization in constructor initializer lists

- CMake: Added BUILD_LTSWEBSOCKET option for temporary exclusion

- Docker: RTI Connext permanent installation script added
  - ci/install-rti-in-docker.sh for persistent RTI setup
  - Removes need for volume mounting RTI into container

- BUILD options: FilterManagement, RTI, Codification, Grantlee, LtsWebSocket
  can be disabled for partial builds during migration

Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>

qt6-after/qt6-migrated-legatus/Z/src/tcpserver/cbi_sendfile.h

@@ -1,17 +1,16 @@
 
 
-
 #pragma once
 
 #include "commandinterface.h"
-#include "sv_export.h"
+#include "tcpserver_export.h"
 
 class CBI_Sendfile : public CommandInterface
 {
-  Q_OBJECT
-public:
-  explicit CBI_Sendfile(unsigned short port);
+    Q_OBJECT
+  public:
+    explicit CBI_Sendfile(unsigned short port);
 
-  void handleCommandInternal(const QVector<QByteArray> &args) override;
-  QString help() const override;
+    void handleCommandInternal(const QVector<QByteArray>& args) override;
+    QString help() const override;
 };