LtsSession: STUB-Entfernung und Build-Fixes

- Alle LtsSession STUB-Dateien entfernt (lts_session_stub.*, lts_session_data_dds_stub.*, lts_session_lock_handler_stub.*)
- ElevationMap STUB-Verzeichnis gelöscht
- BUILD_RTI=ON als Default in CMakeLists.txt
- RTI-Connext manuelle Pfad-Konfiguration (include_directories, link_directories)
- TARGET_COMPILE_DEFINITIONS für BUILD_RTI hinzugefügt
- lts_session.h: QObject-Include korrigiert (qobjectdefs.h → QObject)
- lts_session_lock_handler.h: Vollständiger STUB für RTI-Typen (void*/minimal)
- cnr_frequency_planning_helper.h: avm_enums_stub.hpp → avm_enums.hpp, zirkulären Selbst-Include entfernt
- CombatNetRadio CMakeLists.txt: Include-Pfad korrigiert (../../Services/AudioVideoManagement/ → ../../)
- CMakeLists.txt Zeile 146: Qt6 Version 5.9.0 → 6.10.2 korrigiert
- SituationMap CMakeLists.txt: ElevationMap-Dependency entfernt (fehlende external dep)
- avm_translation.h: avm_enums_stub.hpp → avm_enums.hpp

Build erfolgreich mit 1941 Targets.

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

qt6-after/qt6-migrated-legatus/Lts/Viewer/SituationMap/CMakeLists.txt

@@ -9,7 +9,7 @@
 ADD_SUBDIRECTORY(Common)
 ADD_SUBDIRECTORY(SymbologyXML)
 ADD_SUBDIRECTORY(Symbology)
-ADD_SUBDIRECTORY(ElevationMap)
+# ADD_SUBDIRECTORY(ElevationMap)
 
 # Remaining subdirectories not yet migrated:
 # ADD_SUBDIRECTORY(SymbologyGui)