Hello,
it looks that, once the plasmoids get placed on the desktop, it is not possibile to move it from its position anymore by dragging them with the mouse (of course objects are not blocked on plasma desktop), only resize is possible.
For instance, trashcan within .kde/share/config/plasma-desktop-appletsrc appears this way:
[Containments][24][Applets][27]
geometry=1523.395696913,986.471468662301,111.604303086997,85.5285313376988
immutability=1
plugin=trash
zvalue=8
Changing to immutability=0 does not solve the issue.
Manually changing geometry allows repositioning the trashcan plasmoid, upon kde logoff.
Why this?
THX