ref #6925 Inject context into operations to allow sync/async execution

Merge branch 'develop' into bulkEditorE4

Conflicts:¶

eu.etaxonomy.taxeditor.editor/META-INF/MANIFEST.MF¶

eu.etaxonomy.taxeditor.editor/src/main/java/eu/etaxonomy/taxeditor/editor/view/concept/e4/ConceptViewPartE4.java¶

eu.etaxonomy.taxeditor.editor/src/main/java/eu/etaxonomy/taxeditor/editor/view/descriptive/e4/FactualDataPartE4.java...¶

ref #6925 Pull up selection handler and service

ref #6911, #6925 Clear views when selection providing editor is closed

ref #6906 fix selection handling

adapt media delete handler to e4 migration

ref #6595 removed e3 name editor classes (unstable navigator plugin)

Merge branch 'develop' into nameEditorE4

fix #6809 add selection delay to parts

ref #6595 refactor selection handling to migrated name editor