feat: remove selected address dependency

[AxelGes]

Description

Similar to the aggregator effort: #20206

The Deposit flow is already largely prepared for multichain support. The remaining tasks are:

1. Remove the network selector when pressing the account.
2. Display the "Incompatible Account" modal only when:
   a. An EVM-only account tries to buy Solana, or
   b. A Solana-only account tries to buy an EVM token.

Changelog

CHANGELOG entry:

Related issues

Fixes:

Manual testing steps

Feature: my feature name

  Scenario: user [verb for user action]
    Given [describe expected initial app state]

    When user [verb for user action]
    Then [describe expected outcome]

Screenshots/Recordings

Before

After

Pre-merge author checklist

• I’ve followed MetaMask Contributor Docs and MetaMask Mobile Coding Standards.
• I've completed the PR template to the best of my ability
• I’ve included tests if applicable
• I’ve documented my code using JSDoc format if applicable
• I’ve applied the right labels on the PR (see labeling guidelines). Not required for external contributors.

Pre-merge reviewer checklist

• I've manually tested the PR (e.g. pull and build branch, run the app, test code being changed).
• I confirm that this PR addresses all acceptance criteria described in the ticket it closes and includes the necessary testing evidence such as recordings and or screenshots.

---

Note

Use selectedWalletAddress (derived per token chain) to gate continue flow instead of useAccountTokenCompatible, update SDK to provide it, switch account navigation, and adjust tests.

• Deposit UI:
  • Replace useAccountTokenCompatible check with selectedWalletAddress presence in Views/BuildQuote/BuildQuote and route to IncompatibleAccountTokenModal when absent.
  • Pass isEvmOnly=false to AccountSelector.
• SDK:
  • Provide selectedWalletAddress via useRampAccountAddress(chainId) in sdk/index and change its type to string | null.
• Navigation/Account Selector:
  • Switch to createAccountSelectorNavDetails and simplify selected address checks in components/AccountSelector.
• Tests:
  • Update BuildQuote.test to remove token-compatibility mock and assert incompatible modal when selectedWalletAddress is null.
  • Include selectedWalletAddress in SDK mocks for useIdProofPolling, useKycPolling, and useUserDetailsPolling tests.
  • Remove useAccountTokenCompatible hook and its tests.

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[sonarqubecloud]

Quality Gate passed

Issues
0 New issues
0 Accepted issues

Measures
0 Security Hotspots
85.7% Coverage on New Code
0.0% Duplication on New Code

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