Sorry, Wolfgang, this trick does not work too and breaks other settings. :( Do you have another idea, pls?

...

Actually, this does not work. Adding this option only adds blank lines between items, that is, breaks other options.

\setupitemize[1, indenting=yes, packed, nowhite, intext]

\setupitemize[1,packed,nowhite,intext][indenting=yes]

Vyatcheslav