Spectrum load TDF instead of MGF WIP

src/core/identification_sources/identificationdatasource.cpp

src/core/identification_sources/identificationdatasource.h

src/core/msrun.cpp

src/core/msrun.h

src/gui/edit/edit_settings/edit_settings.ui

src/gui/edit/edit_settings/editsettings.cpp

src/gui/peptide_detail_view/peptidewindow.cpp