Add a new "single shot" marker creation command

[iramiller]

Summary

Many users create a marker in a single tx with the associated finalize/activate msgs. This feature would create a new method that would allow a marker to be setup in a single step with a single call.

Problem Definition

Creating a marker using the various msgs in one transaction adds extra complexity that is unwarranted.

Proposal

Review the current use of single tx with several msgs to determine which configuration options are appropriate for the single shot marker creation. Add a new method that allows a marker to be created in a single step

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