[MBL-19946][S/T/P] Add session cookie renewal when app goes online

[vargaat]

What's new?

• Extracted cookie refresh logic to a separate service and refactored to combine so it was easier to extend.
• Added extra refresh cycle when the app becomes online.

PR Info

refs: MBL-19946
builds: Student, Teacher, Parent
affects: Student, Teacher, Parent
release note: Fixed an issue that occasionally caused embedded rich content to display the login screen after app goes online.

Test Plan

• Check scenario in ticket.
• Test if periodic cookie renewal still works.
• Check if cookie is present and embedded content (anything inside an iframe like studio LTI) displays properly.

Checklist

• Tested on phone
• Tested on tablet

[github-actions]

PR Checks

Commit: Fix mainactor annotation missing from test target. (a5bfb63)
Built At: Apr 24 16:33 UTC (04/24 10:33 AM MDT)

✅ PR Description

✅ Copyright Headers

✅ SwiftLint

✅ Build CITests

✅ Unit Tests

✅ Code Coverage

[bitrise]

Builds

Commit: Fix mainactor annotation missing from test target. (a5bfb63)
Build Number: 1897
Built At: Apr 24 18:35 CEST (04/24 10:35 AM MDT)

Student

Teacher

Parent

[suhaibabsi-inst]

Code +1

[suhaibabsi-inst]

QA +1

Tested on iPhone 16, iOS 26.

[petkybenedek]

QA +1

[rh12]

Code + 1