Update get supervisors request

frontend/src/views/coordinator/EditSchedule.tsx

@@ -3,6 +3,7 @@ import { useState } from 'react'
 import { Controller, NestedValue, useForm } from 'react-hook-form'
 import { useMutation, useQuery } from 'react-query'
 import Select from 'react-select'
+import useLocalStorageState from 'use-local-storage-state'
 import { getLeaders } from '../../api/leaders'
 import { assignSupervisor } from '../../api/schedule'
 
@@ -28,10 +29,11 @@ const EditSchedule = ({
     members_of_committee: NestedValue<any[]>
   }>({ mode: 'onBlur' })
   const [committeeOptions, setCommitteeOptions] = useState<SelectValue[]>([])
+  const [yearGroupId] = useLocalStorageState('yearGroupId')
 
   const { isLoading: areLeadersLoading } = useQuery(
     'leaders',
-    () => getLeaders({ per_page: 1000 }),
+    () => getLeaders({ year_group_id: Number(yearGroupId), per_page: 1000 }),
     {
       onSuccess: (data) => {
         setCommitteeOptions(