HIN 711

Please do accept the MR for the bug fix regarding the possibility of multiple draft submission by pressing click multiple times. This bug fix was checked multiple times.

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"
             >