LIVE-1114 - Number of Confirmations dropdown not refreshing when changing between coins

[laure-lebon]

🦒 Context (issues, jira)

https://ledgerhq.atlassian.net/browse/LIVE-1114

💻 Description / Demo (image or video)

I used an old life cycle method of React as it's a class component to allow the snap refresh of the state when props "value" change

🖤 Expectations to reach

PR must pass CI, rebase develop if conflicts. Thanks!

• on QA: at least one of these two checkboxes must be checked:
  • [ ] a specific test planned is defined on Jira
  • [ ] this PR is covered by automatic UI test
• on delivery: at least one of these two checkboxes must be checked:
  • [ ] Option 1: no impact: The changes of this PR have ZERO impact on the userland (invisible for users)
  • [ ] Option 2: atomic delivery: the changes is atomic and complete (no partial delivery)

[github-actions[bot]]

Coverage report

St.:grey_question:	Category	Percentage	Covered / Total
🔴	Statements	8.74%	9/103
🔴	Branches	0%	0/19
🔴	Functions	2.94%	1/34
🔴	Lines	8.33%	8/96

Test suite run success

1 tests passing in 1 suite.

Report generated by 🧪jest coverage report action from 5fe62c972306318b1055992fb2a36f00cfc84788