Update MM Connect EVM JS code samples with potential new usage

[alexandratran]

Description

Update MM Connect EVM JS code samples with example usage shown in https://www.notion.so/metamask-consensys/metamask-connect-287f86d67d68800aabafc3e9cf89209d.
Add to dos and other minor edits.

Preview

Checklist

• If this PR updates or adds documentation content that changes or adds technical meaning, it has received an approval from an engineer or DevRel from the relevant team.
• If this PR updates or adds documentation content, it has received an approval from a technical writer.

External contributor checklist

• I've read the contribution guidelines.
• I've created a new issue (or assigned myself to an existing issue) describing what this PR addresses.

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Note

Replaces legacy SDK usage with MM Connect (createEVMClient/getProvider) across EVM JS docs, updating installs, code samples, and JSON‑RPC examples (incl. batching, tokens, networks, tx, signing).

• Guides (JavaScript):
  • Switch examples from MetaMaskSDK/window.ethereum to createEVMClient() and provider.request() throughout (javascript/index.md, manage-user-accounts.md, manage-networks.md, interact-with-contracts.md, send-transactions/*, sign-data/*, batch-requests.md).
  • Update connection flows (connect, connectAndSign, getProvider), tx handling, gas estimation, and receipt polling to use evmClient/provider.
  • Revise token/NFT watch examples to use provider.request() and provider.sendAsync().
• Partner quickstarts:
  • Rename install steps to "Install MM Connect" and adjust dependency/install wording for ConnectKit, RainbowKit, Wagmi, Dynamic, and Embedded Wallets.
  • Wagmi: switch install to @metamask/connect; add note linking to atomic batch tx tutorial.
• Reference:
  • Update eth_signTypedData_v4 and wallet_sendCalls example requests to use provider.request(); tighten JSON‑RPC index intro.
• Misc:
  • React Native guide: reword install step to "Install MM Connect and its dependencies".

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Project	Deployment	Preview	Comments	Updated (UTC)
metamask-docs	Ready	Preview	Comment	Nov 12, 2025 4:16pm

[shahbaz17]

lgtm