fixes metamask autoconnect in mobile

[arch1995]

Motivation and Context

Jira Link:
https://consensyssoftware.atlassian.net/browse/W3APD-4896

Description

• disables generation of metamask qr code on modal init.
• refactor code

Wallet click logic
   * - For installed wallets
   *  - For MetaMask non-injected on desktop, show QR code for connection
   *  - Ask user to select a chain namespace if it has multiple namespaces
   *  - Otherwise, use their connectors to connect
   * - For wallet-discovery wallets (not installed)
   *  - On desktop, show QR code for connection if wallet connect v2 is supported, otherwise show install links
   *  - On mobile, open deeplink with wallet connect uri (won't go into this function as it'll open the deeplink)

• fix inconsistent order of chain namespaces in the selector modal. Sometimes, EVM goes first, the other times, Solana goes first

How has this been tested?

• QA and devrels tested this.

Screenshots (if appropriate):

Types of changes

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to not work as expected)

Checklist:

• My code follows the code style of this project. (run lint)
• My change requires a change to the documentation.
• I have updated the documentation accordingly.
• I have added tests to cover my changes.
• All new and existing tests passed.
• My code requires a db migration.

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[tanguyenvn]

lgtm