Replace the card-chooser selection pill with a shared boxel-ui SelectionMenu#5100

lukemelia wants to merge 1 commit into

cs-11313-apply-burcus-feedback-to-adorn-uicardstack/boxel:cs-11313-apply-burcus-feedback-to-adorn-uifrom

cs-11325-card-chooser-selection-trigger-reconsider-adorn-pill-vscardstack/boxel:cs-11325-card-chooser-selection-trigger-reconsider-adorn-pill-vsCopy head branch name to clipboard