Add processing time info to "....finished at..." in "My Exports"
Created by: sfkeller
Under "My Exports" there's an info e.g. ... "finished at 2018-02-13 22:40:11 CET". This could be extended by showing the processing time since the job start, e.g. ... "finished at 2018-02-13 22:40:11 CET" (28 min.).