Flaky e2e test: Adding new language should add new translations

[dianabarsan]

Describe the issue
This test fails with:

1) Adding new language should add new translations
[chrome 90.0.4430.72 linux #0-8] element ("aria/User settings") still not clickable after 15000ms
[chrome 90.0.4430.72 linux #0-8] Error: element ("aria/User settings") still not clickable after 15000ms
[chrome 90.0.4430.72 linux #0-8]     at async Object.openUserSettings (/home/runner/work/cht-core/cht-core/tests/page-objects/default/common/common.wdio.page.js:448:3)
[chrome 90.0.4430.72 linux #0-8]     at async Object.setLanguage (/home/runner/work/cht-core/cht-core/tests/page-objects/default/users/user-settings.wdio.page.js:23:3)
[chrome 90.0.4430.72 linux #0-8]     at async Context.<anonymous> (/home/runner/work/cht-core/cht-core/tests/e2e/default/translations/new-language.wdio-spec.js:55:5)

Test reports:

element click intercepted: element click intercepted: Element <i class="fa fa-fw fa-user"></i> is not clickable at point (104, 93). Other element would receive the click: <div class="cdk-overlay-backdrop cdk-overlay-dark-backdrop cdk-overlay-backdrop-showing"></div>

Example run:
https://github.com/medic/cht-core/actions/runs/12038353859/job/33567381462