message: Fix annotations on output storage buffer for math operations
diff: @@ -1937,6 +1937,9 @@ private:
  editor.DeclareType(rdcspv::Pointer(u32, rdcspv::StorageClass::PushConstant));
  rdcspv::Id storageStructType = editor.AddType(rdcspv::OpTypeStruct(editor.MakeId(), {vec4Type}));
  + editor.AddDecoration(rdcspv::OpMemberDecorate(
  + storageStructType, 0, rdcspv::DecorationParam<rdcspv::Decoration::Offset>(0)));
  + editor.DecorateStorageBufferStruct(storageStructType);
  rdcspv::Id storageStructPtrType =
  editor.DeclareType(rdcspv::Pointer(storageStructType, editor.StorageBufferClass()));
  @@ -1950,7 +1953,6 @@ private:
  editor.AddDecoration(rdcspv::OpDecorate(
  storageVar,
  rdcspv::DecorationParam<rdcspv::Decoration::Binding>((uint32_t)ShaderDebugBind::MathResult)));
  - editor.DecorateStorageBufferStruct(storageVar);
  editor.SetName(storageVar, "resultStorage");
  