Avoids misuse of selectPrevious/Next as per prior commit which was then
causing problems elsewhere, and is probably best to avoid creation in
those select methods anyway.
Updated up/down handling to create where a selection candidate does not
exist, to apply to a wider scenario via the selectPrevious/Next methods.
Updated DOM selection change handling to identify single selections
within decorated nodes to select them in full, instead of losing
selection due to partial selection of their contents.
Updated table selection handling so that our colgroups are ignored for
internal selection focus handling.
- Added handling to not include parent of top-most list range selection
so that it's not also changed while not visually part of the
selection range.
- Fixed issue where list items could be left over after unnesting, due
to empty checks/removals occuring before all child handling.
- Added node sorting, applied to list items during nest operations so
that selection range remains reliable.
- Fixed new code block insertion to remove selection area instead of
just adding after.
- Added default table column widths to not be collapsed
- Updated table dom export to not duplicate colgroups.
