Fix: Return None instead of passing Error

[icodezjb]

Description

Regardless of whether the client has set show_balance_changes and show_object_changes, For the client, we need to return the effect, and the client checks effect.status

Test Plan

How did you test the new or updated feature?

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Type of Change (Check all that apply)

• [ ] user-visible impact
• [ ] breaking change for a client SDKs
• [ ] breaking change for FNs (FN binary must upgrade)
• [ ] breaking change for validators or node operators (must upgrade binaries)
• [ ] breaking change for on-chain data layout
• [ ] necessitate either a data wipe or data migration

Release notes

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4 Ignored Deployments

Name	Status	Preview	Comments	Updated (UTC)
explorer	⬜️ Ignored (Inspect)			Apr 18, 2023 7:50am
explorer-storybook	⬜️ Ignored (Inspect)			Apr 18, 2023 7:50am
sui-wallet-kit	⬜️ Ignored (Inspect)			Apr 18, 2023 7:50am
wallet-adapter	⬜️ Ignored (Inspect)			Apr 18, 2023 7:50am

[icodezjb]

https://github.com/MystenLabs/sui/pull/11466/files