Replace the simple text-based Statement preview with HTML-template Thymeleaf preview. Example of the current Statement preview:  Needs to be replaced with:  To HTML template-based preview consist of: - Logo header - Header e.g. Vorwahl-Querschnitt (GLES 2013): Fragebogen Seitenzahl ZA5700, Version 2.0.0, doi:10.4232/1.12000 - Content: - Title Note: See QuestionnaireEditorView line 1115 about generating preview in Statement. Follow line 1118 about generating Question preview with HTML template. https://git.gesis.org/stardat/stardat-ddieditor/blob/master/src/main/java/org/gesis/stardat/ui/QuestionnaireEditorView.java#L1115