fix(web): Runtime error when dragging an all day event (#365)

Stemmed from 0b47a5c Where we forgot to check for all day events, since we don't handle any drag offset for all day events.

Author: that-one-arab

packages/web/src/views/Calendar/components/Draft/hooks/actions/useDraftActions.ts

@@ -184,9 +184,13 @@ export const useDraftActions = (
         const x = getX(e, isSidebarOpen);
         const startEndDurationMin = dragStatus?.durationMin || 0;
 
+        const y = draft.isAllDay
+          ? e.clientY
+          : e.clientY - draft.position.dragOffset.y;
+
         let eventStart = dateCalcs.getDateByXY(
           x,
-          e.clientY - draft.position.dragOffset.y,
+          y,
           weekProps.component.startOfView,
         );