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/Services/skeleton/base/CMakeLists.txt

@@ -64,6 +64,7 @@ NGL_TARGET_INCLUDE_DIRECTORIES(svcXxxClient
     ${CMAKE_CURRENT_BINARY_DIR}/../
 )
 
+IF(BUILD_RTI)
 NGL_TARGET_LINK_LIBRARIES(svcXxxClient
   PRIVATE
     RTI::nddscpp2
@@ -72,6 +73,7 @@ NGL_TARGET_LINK_LIBRARIES(svcXxxClient
     svcXxxCommon
     ddsftc
 )
+ENDIF(BUILD_RTI)
 NGL_INSTALL_TARGET(svcXxxClient)
 
 #
@@ -92,6 +94,7 @@ NGL_TARGET_INCLUDE_DIRECTORIES(svcXxxServer
     ${CMAKE_CURRENT_BINARY_DIR}/../
 )
 
+IF(BUILD_RTI)
 NGL_TARGET_LINK_LIBRARIES(svcXxxServer
   PRIVATE
     RTI::nddscpp2
@@ -101,6 +104,7 @@ NGL_TARGET_LINK_LIBRARIES(svcXxxServer
   PUBLIC
     svcXxxCommon
 )
+ENDIF(BUILD_RTI)
 NGL_INSTALL_TARGET(svcXxxServer)
 
 #