chore(drp): annotate with all css parts (#1729)

Author: ddaribo

src/components/date-range-picker/date-range-picker.ts

@@ -122,8 +122,15 @@ export interface IgcDateRangePickerComponentEventMap {
  * @csspart separator - The separator element between the two inputs.
  * @csspart ranges - The wrapper that renders the custom and predefined ranges.
  * @csspart label - The label wrapper that renders content above the target input.
- * @csspart calendar-icon - The calendar icon wrapper for closed state.
- * @csspart calendar-icon-open - The calendar icon wrapper for opened state.
+ * @csspart calendar-icon - The calendar icon wrapper for closed state (single input).
+ * @csspart calendar-icon-start - The calendar icon wrapper for closed state for the start input (two inputs).
+ * @csspart calendar-icon-end - The calendar icon wrapper for closed state for the end input (two inputs).
+ * @csspart calendar-icon-open - The calendar icon wrapper for opened state (single input).
+ * @csspart calendar-icon-open-start - The calendar icon wrapper for opened state for the start input (two inputs).
+ * @csspart calendar-icon-open-end - The calendar icon wrapper for opened state for the end input (two inputs).
+ * @csspart clear-icon - The clear icon wrapper (single input).
+ * @csspart clear-icon-start - The clear icon wrapper for the start input (two inputs).
+ * @csspart clear-icon-end - The clear icon wrapper for the end input (two inputs).
  * @csspart actions - The wrapper for the custom actions area.
  * @csspart clear-icon - The clear icon wrapper.
  * @csspart input - The native input element.