rename send to draft (and flip the logic) in createEtchPacket

[newhouse]

Description of the change

rename send to draft (and flip the logic) in createEtchPacket.

I have manually tested this against the changes in https://github.com/anvilco/anvil/pull/1632 and it works as expected.

Type of change

• Bug fix (non-breaking change that fixes an issue)
• New feature (non-breaking change that adds functionality)
• Breaking change (fix or feature that would cause existing functionality to not work as expected)

Related issues

Checklists

Development

• The code changed/added as part of this pull request has been covered with tests
• All tests related to the changed code pass in development
• No previous tests unrelated to the changed code fail in development

Code review

• This pull request has a descriptive title and information useful to a reviewer. There may be a screenshot or screencast attached.
• At least one reviewer has been requested
• Changes have been reviewed by at least one other engineer
• The relevant project board has been selected in Projects to auto-link to this pull request