Merge branch 'develop' into nameEditorE4
fix #6809 add selection delay to parts
ref #6925 Update part titles
ref #6905, #6597 viewer handling
ref #6905, #6597 Move part initialisation to sub classes
ref #6905, #6597 Fix potential NPE
ref #6905, #6597 further improvement on selection evaluation
ref #6905, #6597 refactor selectionChanged() method
ref #6905, #6597 Propagate selection for supplemental data view
ref #6905, #6597 Extract super class for details and supplemental viewer
ref #6905 Migrate supplemental data view