feat(management): added ability to import existing wallets through a PK

[DalderupMaurice]

Description

added ability to import existing wallets through a PK

Motivation and Context

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 #1148 into develop will decrease coverage by 0.56%.
The diff coverage is 15.78%.

@@             Coverage Diff             @@
##           develop    #1148      +/-   ##
===========================================
- Coverage    50.79%   50.23%   -0.57%     
===========================================
  Files          240      240              
  Lines         2063     2096      +33     
  Branches       276      280       +4     
===========================================
+ Hits          1048     1053       +5     
- Misses         843      867      +24     
- Partials       172      176       +4