Remove extra spaces in MR list view approval counts

Annabel Dunstone Grayrequested to merge
9724-approvals-spacing into master

Removes extra space in MR list view approval counters:

Before After
Screen_Shot_2019-05-20_at_10.17.48_AM Screen_Shot_2019-05-20_at_10.17.11_AM

Closes #9724 (closed)

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