feat: convert embed objects to payload in message send

[zaida04]

Please describe the changes this PR makes and why it should be merged:
This PR allows embeds to be converted to payloads in message send methods

Status

• Code changes have been tested.

Semantic versioning classification:

• This PR changes the library's interface (methods or parameters added)
• This PR includes breaking changes (methods removed or renamed, parameters moved or removed)
• This PR only includes non-code changes, like changes to documentation, README, etc.

[changeset-bot]

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Latest commit: 10fd068

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