Fix /account authentication and session deletion behavior

[ranquild]

Fixes #15471
Fixes #15636

Two related bugs with user authentication.

How to test 1:

• Logout from Metabase
• Navigate to /account
• You should be redirected to the login page

How to test 2:

• Go to /account/profile
• Change the password
• Open top right menu and click "Sign out"
• You should be redirected to the login page

[codecov]

Codecov Report

Merging #18151 (fbee4c8) into master (2a48071) will decrease coverage by 0.02%.
The diff coverage is 0.00%.

@@            Coverage Diff             @@
##           master   #18151      +/-   ##
==========================================
- Coverage   63.92%   63.90%   -0.03%     
==========================================
  Files        1656     1656              
  Lines       67939    67982      +43     
  Branches     7388     7403      +15     
==========================================
+ Hits        43432    43444      +12     
- Misses      21280    21311      +31     
  Partials     3227     3227              

Flag	Coverage Δ
front-end	40.79% <0.00%> (-0.02%)	⬇️

Flags with carried forward coverage won't be shown. Click here to find out more.

Impacted Files	Coverage Δ
frontend/src/metabase/account/routes.jsx	0.00% <0.00%> (ø)
frontend/src/metabase/auth/auth.js	24.13% <0.00%> (ø)
frontend/src/metabase/lib/auth.js	0.00% <0.00%> (ø)
frontend/src/metabase/routes.jsx	0.00% <ø> (ø)
...rprise/whitelabel/components/ColorSchemeWidget.jsx	0.00% <0.00%> (ø)
...se/query_builder/components/VisualizationError.jsx	40.29% <0.00%> (+0.82%)	⬆️

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