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/SoundManagement/CMakeLists.txt

@@ -67,6 +67,7 @@ NGL_TARGET_INCLUDE_DIRECTORIES(svcSomClient
     ${CMAKE_CURRENT_BINARY_DIR}/../
 )
 
+IF(BUILD_RTI)
 NGL_TARGET_LINK_LIBRARIES(svcSomClient
   PRIVATE
     RTI::nddscpp2
@@ -75,6 +76,7 @@ NGL_TARGET_LINK_LIBRARIES(svcSomClient
     svcSomCommon
     ddsftc
 )
+ENDIF(BUILD_RTI)
 NGL_INSTALL_TARGET(svcSomClient)
 
 #
@@ -94,6 +96,7 @@ NGL_TARGET_INCLUDE_DIRECTORIES(svcSomServer
     ${CMAKE_CURRENT_BINARY_DIR}/../
 )
 
+IF(BUILD_RTI)
 NGL_TARGET_LINK_LIBRARIES(svcSomServer
   PRIVATE
     RTI::nddscpp2
@@ -103,6 +106,7 @@ NGL_TARGET_LINK_LIBRARIES(svcSomServer
   PUBLIC
     svcSomCommon
 )
+ENDIF(BUILD_RTI)
 NGL_INSTALL_TARGET(svcSomServer)
 
 #