fix mobile icon of account menu

[theovier]

Description

• Fixes Icon differ on mobile and desktop @navbar Administration > All Users #643

Reason for this PR

• Icons of the navigaton menu "account list" differ in desktop and mobile view.

Changes in this PR

• change mobile icon to match the desktop version

Type of change

• Bug fix (non-breaking change which fixes an issue)

How Has This Been Tested?

Please describe the tests that you ran to verify your changes. Provide instructions so we can reproduce. Please also list any relevant details for your test configuration

• Manually tested all use cases this could alter

Test Configuration:

• OS: Windows Mac Linux

• Browser: Firefox Chrome Safari Chromium

• Frontend:

  • Development build

• Backend:

  • No backend needed to test this

Checklist:

• I have performed a self-review of my own code
• My changes generate no new linting warnings or console warnings
• I have updated the CHANGELOG.md to include any changes made in this PR (add WIP to the top, if there is none already)