Updated mediawiki/extensions
Project: mediawiki/extensions/Flow  8eb2f7e4a03857564835e308506a0a6d3d9fd709

New CSS class for interaction link separators

This corrects the issue where the separators cause the cursor to change on
hover due to having the mw-ui-button class

Change-Id: Ic83d4d4a4d0223764aa6cce5a908ba9a4480df64