add authentication token for image server, change default image server to localhost

src/views/ProjectViewView.vue

@@ -437,15 +437,6 @@ export default class ProjectViewView extends Vue {
     return identity;
   }
 
-  public async getHeaders(identity: IIdentifier) {
-    const token = await accessToken(identity);
-    const headers = {
-      "Content-Type": "application/json",
-      Authorization: "Bearer " + token,
-    };
-    return headers;
-  }
-
   onEditClick() {
     localStorage.setItem("projectId", this.projectId as string);
     const route = {