feat: Migrate SharedPreferences to DataStore

[Rohit-2602]

Description

Fixes #1177

Type of Change:

• Code

Code/Quality Assurance Only

• New feature (non-breaking change which adds functionality pre-approved by mentors)

How Has This Been Tested?

I make the changes and try running this app on my device, but I got a 401 Authentication error on 1st run only. After that app runs fine as it should be.

screen.mp4

Checklist:

• My PR follows the style guidelines of this project
• I have performed a self-review of my own code or materials
• I have commented my code or provided relevant documentation, particularly in hard-to-understand areas
• Any dependent changes have been merged
• I have written Kotlin Docs whenever is applicable

Code/Quality Assurance Only

• My changes generate no new warnings
• My PR currently breaks something (fix or feature that would cause existing functionality to not work as expected)
• I have added tests that prove my fix is effective or that my feature works
• New and existing unit tests pass locally with my changes
• Any dependent changes have been published in downstream modules

[epicadk]

keep #1178