chore(app): clear claimables balance when signing out or changing wallet

[DalderupMaurice]

Description

Clear claimable balances when signing out or changing primary wallets.

Motivation and Context

The old claimable balance was still displayed upon changing accounts/wallets

How Has This Been Tested?

Screenshots (if appropriate)

Types of changes

• Chore (tests, refactors, and fixes)
• New feature (adds functionality)
• Breaking change (fix or feature that would cause existing functionality to not work as expected)

Checklist

• I have read the CONTRIBUTING guidelines and confirm that my code follows the code style of this project.
• Tests for the changes have been added (for bug fixes/features)

Documentation

• Docs need to be added/updated (for bug fixes/features)

Closing issues

Fixes #

[codecov]

Codecov Report

Merging #1068 into develop will decrease coverage by <.01%.
The diff coverage is 50%.

@@             Coverage Diff             @@
##           develop    #1068      +/-   ##
===========================================
- Coverage    50.94%   50.94%   -0.01%     
===========================================
  Files          238      238              
  Lines         2055     2057       +2     
  Branches       274      274              
===========================================
+ Hits          1047     1048       +1     
- Misses         837      838       +1     
  Partials       171      171