Qt6 Migration: Merge latest Qt5 devel content and apply migration fixes

- Merged 292 changed files from dlbo snapshot
- Fixed IDL enum collisions (PortType, PdmEventType)
- Fixed Grantlee template for C++11 scoped enums
- Fixed CMake VERSION_GREATER syntax
- Added missing directories (THP, LtsRestClient, etc.)

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

Lts/Tools/Examples/Plugins/plugins/parent_alpha/CMakeLists.txt

@@ -0,0 +1,10 @@
+add_library(parentAlphaGui MODULE parent_alpha.cpp parent_alpha.h)
+target_link_libraries(parentAlphaGui PRIVATE Qt5::Widgets)
+target_include_directories(parentAlphaGui PRIVATE ${CMAKE_SOURCE_DIR}/interfaces)
+
+# Plugin in den Laufzeit-Ordner verschieben
+set_target_properties(parentAlphaGui PROPERTIES
+    LIBRARY_OUTPUT_DIRECTORY "${PLUGIN_OUTPUT_DIR}"
+    RUNTIME_OUTPUT_DIRECTORY "${PLUGIN_OUTPUT_DIR}"
+)
+

Lts/Tools/Examples/Plugins/plugins/parent_alpha/parent_alpha.cpp

@@ -0,0 +1,31 @@
+#include "parent_alpha.h"
+#include <QLabel>
+
+namespace DLBO
+{
+ParentAlpha::ParentAlpha()
+{
+  m_widget = new QWidget();
+  m_layout = new QVBoxLayout(m_widget);
+  m_widget->setStyleSheet(QStringLiteral("border: 2px solid blue; padding: 10px; margin: 5px;"));
+
+  QLabel *label = new QLabel(QStringLiteral("Eltern-Widget (AlphaParent)\nBsp.: Tln-Info-Fenster"));
+  label->setStyleSheet(QStringLiteral("font-weight: bold; color: blue; font-size: 14px;"));
+  m_layout->addWidget(label);
+
+  m_inputField = new QLineEdit();
+  m_inputField->setPlaceholderText(QStringLiteral("Live-Eingabe für alle Kinder..."));
+  m_layout->addWidget(m_inputField);
+
+  connect(m_inputField, &QLineEdit::textChanged, this, &ParentAlpha::dataChangedLive);
+}
+
+void ParentAlpha::addChildWidget(QWidget *childWidget)
+{
+  if (childWidget)
+  {
+    m_layout->addWidget(childWidget);
+  }
+}
+
+}

Lts/Tools/Examples/Plugins/plugins/parent_alpha/parent_alpha.h

@@ -0,0 +1,35 @@
+#pragma once
+
+#include "../../interfaces/parent_interface.h"
+#include <QLineEdit>
+#include <QObject>
+#include <QVBoxLayout>
+
+namespace DLBO
+{
+class ParentAlpha
+    : public QObject
+    , public ParentInterface
+{
+  Q_OBJECT
+  Q_PLUGIN_METADATA(IID "gui:3:ParentInterface")
+  Q_INTERFACES(ParentInterface)
+
+  public:
+  ParentAlpha();
+  QString pluginName() const override { return QStringLiteral("AlphaParent"); }
+  QWidget *widget() override { return m_widget; }
+  void addChildWidget(QWidget *childWidget) override;
+  QObject *qobjectInstance() override { return this; }
+
+  signals:
+  void dataChangedLive(const QString &text);
+
+  private:
+  QWidget *m_widget;
+  QVBoxLayout *m_layout;
+  QLineEdit *m_inputField;
+};
+
+}
+

Lts/Tools/Examples/Plugins/plugins/parent_alpha/parent_alpha.json

@@ -0,0 +1,3 @@
+{
+    "Keys": ["parent_alpha"]
+}