Closes#1849: include a message id tag in rabbitmqactivitysource for published messages

[YayBurritos]

Proposed Changes

Addresses #1849.

Updated the RabbitMQActivitySource.BasicPublish method to allow for IReadOnlyBasicProperties to be passed in as an additional parameter. This allows the IReadOnlyBasicProperties to then be passed along to the PopulateMessagingTags method, which adds the MessageId as a tag.

Types of Changes

What types of changes does your code introduce to this project?
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• New feature (non-breaking change which adds functionality - Consider including MessageId tag in RabbitMQActivitySource during BasicPublish #1849)

Checklist

• I have read the CONTRIBUTING.md document
• I have signed the CA (see https://cla.pivotal.io/sign/rabbitmq) - I can't get to this link. Is it valid?
• I have added tests that prove my fix is effective or that my feature works