bug(ui-contract-editor): remove z-index of toolbar - I87

[Udbhavbisarya23]

Signed-off-by: Udbhavbisarya23 udbhavbisarya46.ub@gmail.com

Closes #87

Changes

• The z-index of the formatting toolbar is changed from 10. No z-index assigned

Screenshots or Video

Related Issues

• Issue #87

Author Checklist

• [x] Ensure you provide a DCO sign-off for your commits using the --signoff option of git commit.
• [ ] Vital features and changes captured in unit and/or integration tests
• [x] Commits messages follow AP format
• [ ] Extend the documentation, if necessary
• [ ] Merging to master from fork:branchname
• [ ] Manual accessibility test performed
  • [ ] Keyboard-only access, including forms
  • [ ] Contrast at least WCAG Level A
  • [ ] Appropriate labels, alt text, and instructions