feat: ledger live customizations

[xgambitox]

Description

• Add partner state to redux store
• When app loads as ledger live app:
  • Hide network selection (only Mainnet support)
  • Wallet select functionality disabled (injected by ledger)
  • Hide Labs nav link
  • Hide Iron Bank nav link
  • Hide and disable signed approvals setting

Motivation and Context

• Requested changes by ledger

How Has This Been Tested?

Tested UI changes locally by changing variables. Will require further testing on a ledger live dev environment.

[aws-amplify-us-east-1[bot]]

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