forked from 1b-agent/opencadstudio-upstream
An empty box or lasso drag called deselect_all, discarding a selection the user may have built up over several picks. Drop the empty-clear from the lasso and two-click box paths so a stray empty drag leaves the selection untouched; Esc remains the deliberate clear. (issue #83) Co-Authored-By: Claude Opus 4.8 <[email protected]>