Selecting "No Weight" shows up as weight 0

In #18372 (closed), I initially set a weight of 3. Then I decided to take it off by selecting "No Weight". Now when I see the issue, it has a weight of 0:

From the issues page:

/cc: @jschatz1

Added frontend label

Reassigned to @iamphill

Status changed to closed by merge request gitlab-org/gitlab-ee!458

mentioned in merge request !14785