Revert "Split up composites of FeatureTreeEditor"

This reverts commit 1cf4b0b27f381fc478f5e653d1fe969dd91d350d.

Split up composites of FeatureTreeEditor

minor changes

Merge branch 'develop' into featureTreeEditor

Conflicts:¶

eu.etaxonomy.taxeditor.store/src/main/java/eu/etaxonomy/taxeditor/featuretree/e4/FeatureTreeEditor.java¶

ref #6694 Remove wizard pages and plugin configurations

ref #6694 Set pattern when creating a new feature tree

ref #6694 Improve UI and feature tree creation

ref #6694 Handle dirty state when adding/removing features

ref #6694 Implement Feature Tree Editor

Add missing switch statement