Labels of issue A are shown as if they were selected in issue B (in board / issue-sidebar)

Summary

Labels (previously added to another issue on the board) show up as selected on the issue.

Steps to reproduce

  1. Create two issues: "foo" and "bar"
  2. Create two labels: "Test A" and "Test B"
  3. Open the board
  4. Select issue "foo" (opens issue-sidebar)
  5. Click the "Edit" button to manage labels of the issue
  6. Select labels "Test A" and "Test B"
  7. Select issue "bar"
  8. Click the "Edit" button to manage labels of the issue

Expected behavior

No labels should be selected upon editing labels for issue "bar"

Actual behavior

Labels "Test A" and "Test B" seem already selected for issue "bar"

Relevant logs and/or screenshots

1 2 3

Output of checks

This bug happens on GitLab.com

Additional Info

Deselecting and reselecting the labels for issue "bar" applies them as usual.

Upon refreshing the page, no labels are selected for issue "bar" (as expected).

Edited by 🤖 GitLab Bot 🤖