fix(booking): prevent past time slots from being selectable for today

apps/frontend/src/features/booking/components/booking-create-dialog.tsx

@@ -26,6 +26,8 @@ import { useBooking } from '../booking-provider';
 import {
   fromIsoDateLocal,
   getDayOfWeek,
+  getNowTime,
+  isTodayIso,
   minutesToTime,
   timeToMinutes,
   toIsoDateLocal,
@@ -128,6 +130,9 @@ export function BookingCreateDialog() {
         minute += selectedCourt.slotDurationMinutes
       ) {
         const slotEnd = minute + selectedCourt.slotDurationMinutes;
+
+        if (isTodayIso(date) && minute <= timeToMinutes(getNowTime())) continue;
+
         const isBooked = courtBookings.some((booking) => {
           const bookingStart = timeToMinutes(booking.startTime);
           const bookingEnd = timeToMinutes(booking.endTime);