Nested List isn't rendered correctly

[Anton-V-K]

Markdown sample:

1. Superitem 1:
   
   - item 1.1
   
   - item 1.2

2. Superitem 2:
   
   + item 2.1
   
   + item 2.2

Original MarkText 0.17.1 renders it this way (as expected):

New MarkText 0.18.6 renders nested lists as text:

OS: Windows 10 21H1 64-bit