* wip: create validationStep component
* wip: trainingPercent check, analysisFields check. Step details
* move validation check to server
* handle no training percent in validation
* move callout component to shared dir
* use shared Callout component in AD val and update message headings
* update types
* adds functional tests for validation
* adds api integration test for validate endpoint
* consolidate messages for depvar and fields
* fix accessibility test
* update license
* update validation messages
* update types in validation model
* add jobValidationReturnType
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