Give MultiSelect chips accessible names and start creation fields empty.

Catalog chips now announce Select or Deselect so they are named for assistive tech. Method and value modals open blank; Generate draft inserts the catalog copy that used to be prefilled, and Customize still keeps the section headings.

Co-authored-by: Cursor <cursoragent@cursor.com>

messages/en/components/controlsChrome.json

@@ -5,6 +5,8 @@
   "chipConfirm": "Confirm",
   "chipTypeToAdd": "Type to add",
   "chipClose": "Close",
+  "chipSelect": "Select {label}",
+  "chipDeselect": "Deselect {label}",
   "selectPlaceholder": "Choose an option",
   "selectAriaLabel": "Select an option",
   "multiSelectAddDefault": "Add organization type",