Merge pull request #15728 from mantidproject/vates_emplace

Vates/VatesAPI/inc/MantidVatesAPI/ViewFrustum.h

Vates/VatesAPI/src/MDHWLoadingPresenter.cpp

Vates/VatesAPI/src/SaveMDWorkspaceToVTKImpl.cpp

Vates/VatesAPI/src/vtkDataSetToNonOrthogonalDataSet.cpp

Vates/VatesAPI/src/vtkDataSetToPeaksFilteredDataSet.cpp

Vates/VatesAPI/test/vtkDataSetToNonOrthogonalDataSetTest.h

Vates/VatesAPI/test/vtkDataSetToPeaksFilteredDataSetTest.h

Vates/VatesSimpleGui/QtWidgets/src/ModeControlWidget.cpp

.../VatesSimpleGui/ViewWidgets/src/BackgroundRgbProvider.cpp

Vates/VatesSimpleGui/ViewWidgets/src/MdViewerWidget.cpp

...VatesSimpleGui/ViewWidgets/src/RebinnedSourcesManager.cpp