fix: login component behavior when logging out and refreshing the page

[fmartingr]

Summary

• Preventing unnecessary login form display during page loads
• Improving session validation
• Fixes logout behavior

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 34.66%. Comparing base (fb51755) to head (aeb872d).
Report is 1 commits behind head on master.

Additional details and impacted files

@@           Coverage Diff           @@
##           master    #1022   +/-   ##
=======================================
  Coverage   34.66%   34.66%           
=======================================
  Files          61       61           
  Lines        5316     5316           
=======================================
  Hits         1843     1843           
  Misses       3249     3249           
  Partials      224      224           

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