Fix multiday (#1850)

* chore: cleanup typeings

* fix: total gap should only accumulate after the curent loaded

* fix: add the current day of the event to start day offset

apps/client/src/views/countdown/CountdownSelect.tsx

@@ -4,6 +4,7 @@ import { useNavigate } from 'react-router';
 import { EntryId, PlayableEvent } from 'ontime-types';
 
 import Button from '../../common/components/buttons/Button';
+import { ExtendedEntry } from '../../common/utils/rundownMetadata';
 import { cx } from '../../common/utils/styleUtils';
 import ClockTime from '../../features/viewers/common/clock-time/ClockTime';
 
@@ -12,7 +13,7 @@ import { makeSubscriptionsUrl } from './countdown.utils';
 import './Countdown.scss';
 
 interface CountdownSelectProps {
-  events: PlayableEvent[];
+  events: ExtendedEntry<PlayableEvent>[];
   subscriptions: EntryId[];
   disableEdit: () => void;
 }