Add missing import after a0c1c3b

Author: jgonggrijp

frontend/src/app/services/parse.service.ts

@@ -1,6 +1,6 @@
 import { HttpClient } from '@angular/common/http';
 import { inject, Injectable } from '@angular/core';
-import { Subject, map, switchMap, catchError, of } from 'rxjs';
+import { Subject, map, switchMap, catchError, share, of } from 'rxjs';
 import { ParseInput } from '@/annotate/annotation-input/annotation-input.component';
 
 export type ParseResponse = any;