I've re-worked the workflow form endpoint, so that it only accepts the data that should be in the form, and ignores any other values that come back from the front end. It seems Formly has some bugs that were introducing confusing information, and I want everything to behave consistently.
I had to re-work some of the tests, which were relying on an ability to set data through a form post without having a corresponding form to do so.
Still having issues where we try to eval an empty definition, not quite sure why there is a difference from what we had before. I may need to revert some of it and determine what is going on.
* The Task.title returned to the front end will now attempt to process the "display_name" property for dot-notation syntax, making it possible to use this for multi-instance tasks,
but will work in all cases where we want he title to change based on values in the data model.
* Fixing a bug the test_study_api where it wasn't updated when we made recent changes to the different states of a study.
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