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>

ci/Dockerfile.ci

@@ -18,9 +18,50 @@ RUN apt-get update && \
       qt6-base-dev \
       qt6-base-dev-tools \
       qt6-tools-dev \
-      qt6-tools-dev-tools && \
+      qt6-tools-dev-tools \
+      qt6-svg-dev \
+      qt6-websockets-dev \
+      qt6-serialport-dev \
+      qt6-multimedia-dev \
+      qt6-declarative-dev \
+      libpoppler-qt6-dev \
+      libpq-dev \
+      libbz2-dev \
+      libboost-all-dev \
+      libxml2-dev \
+      libssl-dev \
+      libcurl4-openssl-dev && \
     rm -rf /var/lib/apt/lists/*
 
+# Install Log4Qt for Qt6
+RUN git clone --depth 1 https://github.com/MEONMedical/Log4Qt.git /tmp/log4qt && \
+    cd /tmp/log4qt && \
+    mkdir -p build && cd build && \
+    cmake -DCMAKE_BUILD_TYPE=Release \
+          -DCMAKE_CXX_STANDARD=20 \
+          -DCMAKE_CXX_EXTENSIONS=OFF \
+          -DCMAKE_PREFIX_PATH="/usr" \
+          -DCMAKE_INSTALL_PREFIX="/usr/local" \
+          -DBUILD_SHARED_LIBS=ON .. && \
+    cmake --build . -- -j$(nproc) && \
+    cmake --install . && \
+    rm -rf /tmp/log4qt
+
+# Create minimal CMake config for Log4Qt
+RUN mkdir -p /usr/local/lib/cmake/Log4Qt && \
+    cat > /usr/local/lib/cmake/Log4Qt/Log4QtConfig.cmake << 'EOF'
+if (NOT TARGET Log4Qt::log4qt)
+  add_library(Log4Qt::log4qt UNKNOWN IMPORTED)
+  set_target_properties(Log4Qt::log4qt PROPERTIES
+    IMPORTED_LOCATION "/usr/local/lib/liblog4qt.so"
+    INTERFACE_INCLUDE_DIRECTORIES "/usr/local/include"
+  )
+endif()
+set(Log4Qt_FOUND TRUE CACHE INTERNAL "Log4Qt found by package config")
+set(Log4Qt_INCLUDE_DIRS "/usr/local/include" CACHE INTERNAL "Log4Qt include dir")
+set(Log4Qt_LIBRARIES "/usr/local/lib/liblog4qt.so" CACHE INTERNAL "Log4Qt library")
+EOF
+
 # Set Qt platform for headless testing
 ENV QT_QPA_PLATFORM=offscreen