[REACT] Fix/unable to override chain

[ThianHooi]

Issue

• When trying to override certain value (example: RPC URL) when passing props to the activeChain in ThirdwebProvider component, I found that the RPC calls are not done through the custom RPC URL provided, instead default thirdweb RPC URL is used
• Found out that the issue happens here. When merging supportedChains and activeChain, activeChain with overridden value should replace the respective chain config in supportedChain. This causes the RPC URLs mapping passed into Wagmi uses the default RPC URL.

What's this PR do?

• feat: added uniqueBy util function that remove duplicated element in an array
• feat: merge supportedChain and activeChain by removing duplicated chain (comparing chainId)

[changeset-bot]

🦋 Changeset detected

Latest commit: 1459f85

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

This PR includes changesets to release 6 packages

Name	Type
@thirdweb-dev/react	Patch
@thirdweb-dev/sdk	Patch
@thirdweb-dev/react-core	Patch
thirdweb	Patch
@thirdweb-dev/react-native	Patch
@thirdweb-dev/unity-js-bridge	Patch

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[iketw]

Thanks or contributing to our repo! This is indeed an issue. What do you think if we do the following to filter out the activeChain from the supportedChains array? This way we don't need to add the uniqueBy function and can use a tested array function.

return [
      ...supportedChains.filter((c) => c.chainId !== activeChain.chainId),
      activeChain,
    ] as Readonly<Chain[]>;

[ThianHooi]

@iketw Sure, makes sense to use simpler implementation. Will make the change

[codecov]

Codecov Report

Patch and project coverage have no change.

Comparison is base (2ec2802) 69.76% compared to head (1459f85) 69.76%.

Additional details and impacted files

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  Files         219      219           
  Lines        9559     9559           
  Branches     1154     1154           
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  Hits         6669     6669           
  Misses       2291     2291           
  Partials      599      599           

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