simplify and harmonize instrument UIs

GUI/View/Instrument/DepthProbeInstrumentEditor.cpp

GUI/View/Instrument/DetectorEditor.cpp

GUI/View/Instrument/DetectorEditor.h

GUI/View/Instrument/EnvironmentEditor.cpp

GUI/View/Instrument/EnvironmentEditor.h

GUI/View/Instrument/GISASBeamEditor.cpp

GUI/View/Instrument/GISASBeamEditor.h

GUI/View/Instrument/GISASInstrumentEditor.cpp

GUI/View/Instrument/InstrumentView.cpp

GUI/View/Instrument/OffSpecularBeamEditor.cpp

GUI/View/Instrument/OffSpecularBeamEditor.h

GUI/View/Instrument/OffSpecularInstrumentEditor.cpp

GUI/View/Instrument/PolarizationAnalysisEditor.cpp

GUI/View/Instrument/PolarizationAnalysisEditor.h

GUI/View/Instrument/SpecularBeamEditor.cpp

GUI/View/Instrument/SpecularBeamEditor.h

GUI/View/Instrument/SpecularInstrumentEditor.cpp