Prevent text selection when dragging in issue boards
What does this MR do?
Adds back vendor prefixes for user-select: none to prevent text selection while dragging in browsers other than Chrome. See also https://caniuse.com/#search=user-select.
closes https://gitlab.com/gitlab-org/gitlab-ce/issues/59378
Before
Screen_Recording_2019-04-26_at_11.32.03
After
Edited by 🤖 GitLab Bot 🤖