EDIT

Fix potential NPE

ref #6554 Set initial expansion state

ref #7809: namerelationshiptypes should be shown in both directions

ref #7793: show supplemental data for distribution editor and smaller bugfix for distribution editor preferences

ref #6554 Avoid unnecessary refreshs

ref #7063:fix that the last selection always appears in next field in distribution editor

ref #6554 Evaluate expansion state for remaining elements

ref #6554 Evaluate expansion state at widget creation time

ref #6554 Avoid re-rendering of details view for same selection

ref #6554 Avoid double destruction of details view sections