HIN-711 fixed, can be added one manuscript at once

packages/component-faraday-ui/src/AppBar.js

 import React, { Fragment } from 'react'
-import { get } from 'lodash'
+import { get, once } from 'lodash'
 import styled from 'styled-components'
 import { H2, Button } from '@pubsweet/ui'
 import { th } from '@pubsweet/ui-toolkit'
@@ -35,7 +35,7 @@ const AppBar = ({
               disabled={!canCreateDraft}
               ml={2}
               mr={5}
-              onClick={createDraft}
+              onClick={once(createDraft)}
               primary
               size="small"
             >