initialize without repeating type

Core/Aggregate/ParticleLayout.h

Core/Instrument/OutputData.h

Core/Lattice/Lattice.cpp

Core/Material/MaterialFactoryFuncs.h

Core/StandardSamples/LayersWithAbsorptionBuilder.cpp

Core/StandardSamples/ParaCrystalBuilder.cpp

Core/StandardSamples/ParticleInTheAirBuilder.cpp

GUI/coregui/Models/ComponentProxyStrategy.cpp

GUI/coregui/Models/SessionItemUtils.cpp

GUI/coregui/Views/SampleDesigner/ConnectableView.h

Tests/UnitTests/Core/Parameters/ParameterPatternTest.cpp

Tests/UnitTests/Core/Sample/LatticeTest.cpp

Tests/UnitTests/GUI/TestRealSpaceBuilderUtils.cpp