Re-use enter-key inspection from base class.
Rename `hideForm` method to `closeView`.
Bugfix: DeleteEntryView did not appear.

+ Introduced in 57cf5261b5cac297abfb5221092b0ae8ef78f14b.
Re-use closeView() method from base class.

+ Explicitly add require statement.
Move error message compilation into Util module.
Merge branch 'feature/get-dry-with-base-item-view-175' into prototype