Revert "XWIKI-11382: DBTreeList properties don't display checkboxes in edit mode and layout is broken on flamingo."

This reverts commit ca26b19448c266914038b8e673317fe44ad07d32.
XWIKI-11382: DBTreeList properties don't display checkboxes in edit mode and layout is broken on flamingo.

(cherry picked from commit 4f988cf0c5e49cde15ac9d3559fbfc91f28f9f96)