Fix: Wrap all RTI::nddscpp2 links in IF(BUILD_RTI) conditionals

- 43 CMakeLists.txt files updated to properly condition RTI dependencies
- All NGL_TARGET_LINK_LIBRARIES blocks containing RTI:: references
  are now wrapped in IF(BUILD_RTI) blocks
- This allows building with BUILD_RTI=OFF without RTI Connext installation
- Fixes CMake configure errors about non-existent /opt/RTI paths

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

qt6-after/qt6-migrated-legatus/Lts/Proxies/HighLevelArchitecture/Common/CMakeLists.txt

@@ -33,6 +33,7 @@ NGL_TARGET_INCLUDE_DIRECTORIES(HlaCommon
     ${CMAKE_CURRENT_SOURCE_DIR}/../
 )
 
+IF(BUILD_RTI)
 NGL_TARGET_LINK_LIBRARIES(HlaCommon
   LtsCoordTrans # ParticipantPosition
   NGLLogger
@@ -46,6 +47,7 @@ NGL_TARGET_LINK_LIBRARIES(HlaCommon
 #  RTI::nddsc
 #  RTI::nddscpp2
 )
+ENDIF(BUILD_RTI)
 
 #NGL_INSTALL(AAR SV FILES
 #  log4cxx_hla.props