[a11y] 9.1.3.1a - HTML-Structure elements for headings

[tbsbdr]

• Context: The Web UI should be accessible according to the WCAG2.1 /BITV 2.0 guidelines. The number in the title relates to the test-steps: https://www.bitvtest.de/bitv_test/das_testverfahren_im_detail/pruefschritte.html
• "Status" relates to the evaluation scheme https://www.bitvtest.de/bitv_test/das_testverfahren_im_detail/verfahren.html#c1262
• "a11y" is short for accessibility

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General notes

Note: "Login“-Page (not part of the test): The error message should not be implemented as a h6 heading. Please remove headings markup.

Status: fulfilled

[pascalwengerter]

Login.js in idp/ in oCIS needs a {hasError && <Typography id="oc-login-error-message" variant="subtitle2" *component="p"* color="error", otherwise the component type gets inherited from somewhere and it ends up being an (incorrect) <h6>