Use configured domain on expired cookies

[iaroslav-ciupin]

TL;DR

When expiring cookie during logout, we must use same configured domain as when setting those cookies.

Type

• Bug Fix
• Feature
• Plugin

Are all requirements met?

• Code completed
• Smoke tested
• Unit tests added
• Code documentation added
• Any pending items have an associated Issue

Complete description

How did you fix the bug, make the feature etc. Link to any design docs etc

Tracking Issue

Remove the 'fixes' keyword if there will be multiple PRs to fix the linked issue

fixes https://github.com/flyteorg/flyte/issues/

Follow-up issue

NA
OR
https://github.com/flyteorg/flyte/issues/

[codecov]

Codecov Report

Patch coverage: 100.00% and project coverage change: +1.68% 🎉

Comparison is base (1df2d18) 58.74% compared to head (397b8d5) 60.43%.

❗ Current head 397b8d5 differs from pull request most recent head eda6193. Consider uploading reports for the commit eda6193 to get more accurate results

Additional details and impacted files

@@            Coverage Diff             @@
##           master     #608      +/-   ##
==========================================
+ Coverage   58.74%   60.43%   +1.68%     
==========================================
  Files         171      171              
  Lines       16472    13442    -3030     
==========================================
- Hits         9676     8123    -1553     
+ Misses       5944     4471    -1473     
+ Partials      852      848       -4     

Flag	Coverage Δ
unittests	?

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Files Changed	Coverage Δ
auth/handlers.go	35.79% <ø> (-0.54%)	⬇️
auth/cookie.go	81.60% <100.00%> (+12.51%)	⬆️
auth/cookie_manager.go	63.71% <100.00%> (+10.04%)	⬆️

... and 155 files with indirect coverage changes

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