Cleanup: suppress template-id-cdtor GCC warnings

Ignoring from CMake didn't suppress the warnings from GPU sources
that include this header. Suppress the warning using a pragma instead.

source/blender/gpu/CMakeLists.txt

@@ -388,11 +388,6 @@ endif()
 
 
 if(WITH_VULKAN_BACKEND)
-  if(CMAKE_COMPILER_IS_GNUCC)
-    # Suppress CPP20 compiler warnings in GCC14+
-    set_source_files_properties(${VULKAN_SRC} PROPERTIES COMPILE_FLAGS "-Wno-template-id-cdtor")
-  endif()
-
   if(APPLE)
     list(APPEND INC_SYS
       ${MOLTENVK_INCLUDE_DIRS}

source/blender/gpu/vulkan/vk_resource_tracker.hh

@@ -17,6 +17,11 @@ namespace blender::gpu {
 class VKContext;
 class VKCommandBuffers;
 
+#pragma GCC diagnostic push
+/* CPP20 compiler warnings in GCC14+.
+ * Must be resolved before upgrading to a newer C++, avoid noisy warnings for now. */
+#pragma GCC diagnostic ignored "-Wtemplate-id-cdtor"
+
 /**
  * In vulkan multiple commands can be in flight simultaneously.
  *
@@ -183,4 +188,6 @@ template<typename Resource> class VKResourceTracker : NonCopyable {
   }
 };
 
+#pragma GCC diagnostic pop
+
 }  // namespace blender::gpu