catch widget is disposed exceptions
fix #7126: fix wrong supplemental data if scroll in details view
ref #7073: keep the details view when clicking on supplemental data
avoid widgetIsDisposed exceptions by check of control is disposed
ref #6925 Inject context into details and supplemental view
ref #6159: disable descriptionElementDetails for distribution editor
ref #6159: details of selected distr are shown for distr. editor
ref #6597 Fix potential NPE
Merge branch 'develop' into bulkEditorE4
ref #6925 Pull up selection handler and service
ref #6911, #6925 Clear views when selection providing editor is closed
ref #6905 Enable supplemental view for selections in details view
Merge branch 'develop' into nameEditorE4
fix #6809 add selection delay to parts
ref #6925 Update part titles
ref #6597 Propagate selection of details view
ref #6906 Fix selection for supplemental, details and descriptive view
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 Allow saving of editor when view is active
ref #6905, #6597 Propagate selection for supplemental data view
ref #6905, #6597 Extract super class for details and supplemental viewer
ref #6597 Remove debug info
ref #6597 Fix potential endless loop
ref #6597 Enhance selection handling for DetailsView
ref #6597 Avoid session errors and empty view for unaccepted selections
ref #6597 fix selection handling
ref #6597 Propagate editing events
ref #6597 Prototye for migrated details view