Bug report: text autosizing undo results into problems

[Tuoman]

If text is autosized, undoing will cause problems. My 4.17 Designer just froze because of it. Based on 4.18 changelog, it also does not seem to have this fixed.

Sorry - something unexpected has happened which caused an error to occur in the Designer.
 
For more information, see the log file located at: C:\Users\tuman\AppData\Roaming\TouchGFX-4.17.0\TouchGFXDesigner.log
 
Please consider reporting this bug and steps to reproduce it at the TouchGFX Help Center so it can be fixed in a future version.
You can find the Help Center here: http://support.touchgfx.com
 
Error: Width and Height must be non-negative.

Replicate:

1. Autosize text that was not autosized
2. Try to undo autosize
3. Undo does not work properly, and in some cases will jam Designer