Add autoConnect function to standard adapter

[mcintyre94]

This PR refactors out the adapter connect function into a private #connect, which takes a silent flag and passes it through to the wallet connect function

We add a new autoConnect function which passes silent: true. This will be used by wallet-adapter automatically whenever the wallet is automatically connected on a page load.

@jordansexton

[changeset-bot]

🦋 Changeset detected

Latest commit: 2dc02bb

The changes in this PR will be included in the next version bump.

This PR includes changesets to release 4 packages

Name	Type
@solana/wallet-standard-wallet-adapter-base	Minor
@solana/wallet-standard-wallet-adapter	Patch
@solana/wallet-standard-wallet-adapter-react	Patch
@solana/wallet-standard	Patch

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[mcintyre94]

Marking this a draft for now. Both Glow and Backpack have issues with being called like this which will need to be resolved before we make this change

• In Backpack, Connect and then Autoconnect (eg refresh the page) causes a WalletAccountError
• In Glow, Connect, Disconnect, Connect, Autoconnect causes a WalletConnectionError: This address is not connected.