chore(wallet): add fallback random generated wallet name

[DalderupMaurice]

Description

Instead of auto-creating a label, it is now a fallback
Also updated the README with new labels

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 #1264 into develop will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff            @@
##           develop    #1264   +/-   ##
========================================
  Coverage    49.85%   49.85%           
========================================
  Files          248      248           
  Lines         2122     2122           
  Branches       282      282           
========================================
  Hits          1058     1058           
  Misses         886      886           
  Partials       178      178