fix: App crash on primary email change from web

[farhan-arshad-dev]

Description

LEARNER-9831

• Force logout the Learner on primary email change from other sessions.
• Replace response.toString() with response.peekBody(Long.MAX_VALUE).string().
  Ref: https://stackoverflow.com/a/60750929

How to test

• Login in the app.
• Use the user and Login on the web.
• Change the primary email from the web Account Settings screen.
• Pull to refresh the app to refresh the screen.
• The app should force logout the user cuz the session expired by the server on the change of primary email.

Acceptance Criteria

• The app shouldn't crash at any point cuz of the primary email change.

[codecov]

Codecov Report

Attention: 3 lines in your changes are missing coverage. Please review.

Comparison is base (2b52504) 1.07% compared to head (dcdd5bb) 1.07%.

Files	Patch %	Lines
...tp/authenticator/OauthRefreshTokenAuthenticator.kt	0.00%	3 Missing ⚠️

Additional details and impacted files

@@           Coverage Diff            @@
##             master   #1848   +/-   ##
========================================
  Coverage      1.07%   1.07%           
  Complexity      137     137           
========================================
  Files           538     538           
  Lines         26326   26325    -1     
  Branches       3395    3395           
========================================
  Hits            284     284           
+ Misses        26015   26014    -1     
  Partials         27      27           

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[HamzaIsrar12]

We have identified some errors and warnings in the stack trace for certain cases, but those can be ignored for now. Other than that, it looks good to me. Great job.

[miankhalid]

@farhan-arshad-dev great work in doing an in-depth discovery and finding the fix for this pesky issue 👏 🌟