1342 threshold nicknames

[Sheng-Long]

Description:
fixes threshold nickname bugs

Related issue(s):

Fixes #1342, #1542

Notes for reviewer:

Checklist

• Documented (Code comments, README, etc.)
• Tested (unit, integration, etc.)

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 99.07%. Comparing base (d503ab2) to head (4fa8367).

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #1544   +/-   ##
=======================================
  Coverage   99.07%   99.07%           
=======================================
  Files         159      159           
  Lines        5954     5957    +3     
  Branches     1094     1092    -2     
=======================================
+ Hits         5899     5902    +3     
  Misses         52       52           
  Partials        3        3           

Files with missing lines	Coverage Δ
...ont-end/src/main/services/localUser/complexKeys.ts	100.00% <100.00%> (ø)

[Sheng-Long]

Fixed those, bad rebase

[yiliev0]

Issue#1
When saving a complex key structure and returning to it, the threshold names are not persisted.
Steps to reproduce:

1. Navigate to create account tx
2. Click on +Create new button for complex key structure
3. Create a threshold with two inner thresholds inside
4. Set nicknames to the thresholds
5. Click on "Save Complex Key" button and set name to this structure
6. Navigate back to the transaction or create a new one, instead, click on Add existing complex structure and select the structure from step 5.
7. Observe the missing nicknames

Issue#2
When creating a transaction with thresholds that have nicknames, the nicknames are not saved and displayed in the transaction details

1. Navigate to create account tx
2. Click on +Create new button
3. Create a threshold with two inner thresholds inside
4. Set nicknames to thresholds
5. Sign & Execute the transaction
6. Once navigated to the Transaction Details, under the account create info section, click on "See Details"
7. Observe the default "Threshold" nicknames

[Sheng-Long]

New changes should have fixed the issues above