[LWFXEF] Add more options for adding, modifying and displaying text
- Add getters and setters for text properties such as color and font
weight within the
- Handle text overflow with dots instead of line breaks.
- Allow text to be added to anchorages (such as single characters like ‘S’ and ‘Q’ to distinguish sampling ports from queuing ones).
(from redmine: issue id 3889, created on 2019-12-06)
- duplicates #3898