[MMI] 4564 - fix the way get custody type was being done

[zone-live]

Description

We were hardcoding the custody type to always be JSON-RPC, but in reality it can be also ECA3, or a legacy custodian such as Qredo. Therefore we now get this value the correct way.

Ref ticket

Related issues

Fixes:

Manual testing steps

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Screenshots/Recordings

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After

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• [ ] I've linked related issues
• [ ] I've included manual testing steps
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• [ ] I've manually tested the PR (e.g. pull and build branch, run the app, test code being changed).
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[github-actions[bot]]

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[codecov[bot]]

Codecov Report

All modified and coverable lines are covered by tests :white_check_mark:

Comparison is base (12a0770) 68.54% compared to head (055830e) 68.54%. Report is 3 commits behind head on develop.

Additional details and impacted files

@@             Coverage Diff             @@
##           develop   #22950      +/-   ##
===========================================
- Coverage    68.54%   68.54%   -0.00%     
===========================================
  Files         1088     1088              
  Lines        42904    42905       +1     
  Branches     11413    11414       +1     
===========================================
  Hits         29408    29408              
- Misses       13496    13497       +1     

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[metamaskbot]

Builds ready [055830e]

• builds: chrome, firefox
• builds (beta): chrome
• builds (flask): chrome, firefox
• builds (MMI): chrome, firefox
• builds (test): chrome, firefox
• builds (test-flask): chrome, firefox
• build viz: Build System
• mv3: Background Module Init Stats
• mv3: UI Init Stats
• mv3: Module Load Stats
• mv3: Bundle Size Stats
• mv2: E2e Actions Stats
• code coverage: Report
• storybook: Storybook
• typescript migration: Dashboard
• all artifacts
• bundle viz:

  • background: 0, 1, 2, 3, 4
  • common: 0, 1, 2, 3, 4, 5, 6, 7
  • content-script: 0
  • contentscript: contentscript
  • disable-console: disable-console
  • policy-load: policy-load
  • sentry-install: sentry-install
  • ui: 0, 1, 10, 11, 2, 3, 4, 5, 6, 7, 8, 9

Page Load Metrics (1042 ± 52 ms)

Platform	Page	Metric	Min (ms)	Max (ms)	Average (ms)	StandardDeviation (ms)	MarginOfError (ms)
Chrome	Home	firstPaint	123	470	186	70	34
		domContentLoaded	8	74	34	23	11
		load	845	1403	1042	108	52
		domInteractive	8	74	34	23	11

Bundle size diffs

• background: 0 Bytes (0.00%)
• ui: 0 Bytes (0.00%)
• common: 0 Bytes (0.00%)