fix: hide slot unavailable message for instant meetings (#20002)

* fix: hide slot unavailable message for instant meetings

* fix:

packages/features/bookings/Booker/Booker.tsx

@@ -131,6 +131,7 @@ const BookerComponent = ({
 
   const timeslotsRef = useRef<HTMLDivElement>(null);
   const isQuickAvailabilityCheckFeatureEnabled = useIsQuickAvailabilityCheckFeatureEnabled();
+
   const StickyOnDesktop = isMobile ? "div" : StickyBox;
 
   const { bookerFormErrorRef, key, formEmail, bookingForm, errors: formErrors } = bookerForm;
@@ -230,7 +231,7 @@ const BookerComponent = ({
         onSubmit={() => (renderConfirmNotVerifyEmailButtonCond ? handleBookEvent() : handleVerifyEmail())}
         errorRef={bookerFormErrorRef}
         errors={{ ...formErrors, ...errors }}
-        isTimeslotUnavailable={unavailableTimeSlots.includes(selectedTimeslot || "")}
+        isTimeslotUnavailable={!isInstantMeeting && unavailableTimeSlots.includes(selectedTimeslot || "")}
         loadingStates={loadingStates}
         renderConfirmNotVerifyEmailButtonCond={renderConfirmNotVerifyEmailButtonCond}
         bookingForm={bookingForm}