refactor: remove 'mark as important' field and clean up console.log statements

- Remove 'important' field from EventFormFields component and all event modals
- Remove all console.log statements from event create/update flow
- Fix import issues and type compatibility in EventModal

src/features/Events/EventDisplay.tsx

@@ -302,7 +302,7 @@ export default function EventDisplayModal({
                     </Button>
                     <Button
                       color="primary"
-                      onClick={() => console.log("proposenewtime")}
+                      onClick={() => {}}
                     >
                       Propose new time
                     </Button>