Qt6 Migration: Complete migration with DDS/RTI support and build validation

Major Changes:
- Merged latest Qt5 devel content from dlbo (292 files changed, 7 new dirs)
- Consolidated forward-declarations and include folders
- Removed unneeded modules per Niklas' repo check list

Build System Fixes:
- Fixed CMake VERSION_GREATER syntax in ParticipantManagement/CMakeLists.txt
- Added VLC packages (libvlc-dev, vlc-plugin-base) to docker_build.sh
- Added PostgreSQL dev packages (libpq-dev, postgresql-server-dev-all) to Dockerfile
- Fixed locale warnings (ANSI_X3.4-1968 → C.UTF-8)
- Fixed ArcGIS SDK path warnings when BUILD_ARCGIS=OFF

Code Generation Fixes:
- Fixed IDL enum collisions (PortType→CorePortType/DdsutPortType, PdmEventType)
- Fixed Grantlee template svc_translation.cpp.grantlee:
  - Changed {{ idl_enum.name }}_def:: to {{ idl_enum.name }}::
  - Fixed .underlying() calls for C++11 scoped enums (enum class)
- Removed generated files from repo (moc_*, *_dtc.h, *_ftc.h)

Validation:
- BUILD_RTI=ON: SUCCESS
- BUILD_RTI=OFF: SUCCESS
- C++17 standard maintained for RTI 7.7 compatibility
- Ubuntu 26.04 Docker environment verified

Remaining Warnings (expected):
- BgViewer, KDChart, KDReports, Poppler-Qt6 not found (optional features)

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

qt5-before/dlbo/Lts/Viewer/SituationMap/Symbology/property_result.cpp

@@ -0,0 +1,129 @@
+/**
+  * @RDE_HEADER@
+  * Class PropertyResult
+  * $Id$
+  * $HeadURL$
+  * $Author$
+  */
+
+// Own
+#include "property_result.h"
+
+
+// Qt
+#include <QUuid>
+
+
+namespace AdvancedSymbology
+{
+
+class PropertyResult::Private
+{
+public:
+  Private()     = default;
+  ~Private()    = default;
+
+  // Input data:
+
+  // process data:
+  QUuid                 m_taskIdFindSymbol;        // of esriDict::findSymbol
+
+  // Result data:
+  bool                  m_resultReady = false;
+  SymbolPropertyList    m_symbolPropertyList;
+
+
+  // For debugging:
+  static unsigned long  m_counter;
+};
+
+unsigned long PropertyResult::Private::m_counter = 0;
+
+
+PropertyResult::PropertyResult()
+  : QObject()
+  , d(new Private)
+  , m_logger(getLogger("PropertyResult"))
+{
+  TRACE_LOG(m_logger) << LOGFUNCTION << " START, m_counter=" << d->m_counter;
+  ++d->m_counter;
+  TRACE_LOG(m_logger) << LOGFUNCTION << " END, m_counter=" << d->m_counter;
+}
+
+PropertyResult::~PropertyResult()
+{
+  LOGGER_T m_logger = getLogger("PropertyResult");
+  TRACE_LOG(m_logger) << LOGFUNCTION << " START, m_counter=" << d->m_counter;
+  --d->m_counter;
+  delete d;
+  TRACE_LOG(m_logger) << LOGFUNCTION << " END, m_counter=" << Private::m_counter;
+}
+
+
+void PropertyResult::fireResultReady()
+{
+  TRACE_LOG(m_logger) << LOGFUNCTION << " START";
+
+  // (this bool don`t has to be reset.
+  // a new request will return a new instance of this class...)
+  d->m_resultReady = true;
+
+  emit resultReadyInternal();
+
+  TRACE_LOG(m_logger) << LOGFUNCTION << " END";
+}
+
+
+void PropertyResult::setTaskId(const QUuid &uuid)
+{
+  d->m_taskIdFindSymbol = uuid;
+}
+
+const QUuid &PropertyResult::taskId() const
+{
+  return d->m_taskIdFindSymbol;
+}
+
+
+void PropertyResult::setProperties(const SymbolPropertyList &properties)
+{
+  d->m_symbolPropertyList = properties;
+}
+
+
+bool PropertyResult::isResultReady() const
+{
+  return d->m_resultReady;
+}
+
+SymbolPropertyList PropertyResult::properties() const
+{
+  return d->m_symbolPropertyList;
+}
+
+
+//------------------------------------------------------------------------------
+// PropertyResultWatcher
+//------------------------------------------------------------------------------
+
+PropertyResultWatcher::PropertyResultWatcher(QObject *parent)
+  : BaseClass(parent)
+  , m_logger(getLogger("PropertyResultWatcher"))
+{
+  TRACE_LOG(m_logger) << LOGFUNCTION << " START";
+  TRACE_LOG(m_logger) << LOGFUNCTION << " END";
+}
+
+QSharedPointer<PropertyResult> PropertyResultWatcher::propertyResult() const
+{
+  return BaseClass::result();
+}
+
+void PropertyResultWatcher::setPropertyResult(const QSharedPointer<PropertyResult> &propertyResult)
+{
+  BaseClass::setResult(propertyResult);
+}
+
+
+} // namespace AdvancedSymbology
+