chore: Show error numbers in login.html

[shadowsheep1]

Short description

This PR shows the error number inside the dropdown list item description too.

How to test

Run the app against the dev server and check the error dropdown list.

Details

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 69.65%. Comparing base (d97d986) to head (424cb0a).
Report is 2 commits behind head on master.

❗ Current head 424cb0a differs from pull request most recent head 54c1d40

Please upload reports for the commit 54c1d40 to get more accurate results.

Additional details and impacted files

@@           Coverage Diff           @@
##           master     #380   +/-   ##
=======================================
  Coverage   69.65%   69.65%           
=======================================
  Files         153      153           
  Lines        4845     4845           
  Branches      555      555           
=======================================
  Hits         3375     3375           
  Misses       1469     1469           
  Partials        1        1           

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[Ladirico]

LGTM!