feat(auth): ignore user cancel when session is expired on hostedui sign out

[harsh62]

#3943

Issue #

Description

General Checklist

• Added new tests to cover change, if needed
• Build succeeds with all target using Swift Package Manager
• All unit tests pass
• All integration tests pass
• Security oriented best practices and standards are followed (e.g. using input sanitization, principle of least privilege, etc)
• Documentation update for the change if required
• PR title conforms to conventional commit style
• New or updated tests include Given When Then inline code documentation and are named accordingly testThing_condition_expectation()
• If breaking change, documentation/changelog update with migration instructions

By submitting this pull request, I confirm that my contribution is made under the terms of the Apache 2.0 license.

[codecov]

Codecov Report

Attention: Patch coverage is 68.96552% with 27 lines in your changes missing coverage. Please review.

Project coverage is 67.76%. Comparing base (67d40be) to head (d1b9685).
Report is 3 commits behind head on main.

Files with missing lines	Patch %	Lines
...ions/Helpers/FetchAuthSessionOperationHelper.swift	56.09%	18 Missing ⚠️
...toAuthPlugin/Actions/SignOut/InitiateSignOut.swift	75.86%	7 Missing ⚠️
...thPlugin/Actions/SignOut/ShowHostedUISignOut.swift	75.00%	2 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #3956      +/-   ##
==========================================
- Coverage   67.79%   67.76%   -0.03%     
==========================================
  Files        1125     1125              
  Lines       52126    52204      +78     
==========================================
+ Hits        35337    35377      +40     
- Misses      16789    16827      +38     

Flag	Coverage Δ
API_plugin_unit_test	70.37% <ø> (+0.04%)	⬆️
AWSPluginsCore	70.36% <ø> (ø)
Amplify	47.89% <ø> (ø)
Analytics_plugin_unit_test	85.20% <ø> (ø)
Auth_plugin_unit_test	73.71% <68.96%> (-0.03%)	⬇️
DataStore_plugin_unit_test	83.29% <ø> (-0.18%)	⬇️
Geo_plugin_unit_test	74.86% <ø> (ø)
Logging_plugin_unit_test	63.11% <ø> (ø)
Predictions_plugin_unit_test	35.42% <ø> (ø)
PushNotifications_plugin_unit_test	88.43% <ø> (ø)
Storage_plugin_unit_test	76.88% <ø> (ø)
unit_tests	67.76% <68.96%> (-0.03%)	⬇️

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[thisisabhash]

Can you add a detailed description of the changes for future reference?