Feature/1605 add map save check

[kalitopix]

• Please check if the PR fulfills these requirements

• The commit message follows our guidelines
• [] If your PR contains DB doc changes have you made an API migration and a localDB migration if necessary?
• Have you checked to ensure there aren't other open Pull Requests for the same update/change?
• [] Tests for the changes have been added (for bug fixes / features)
• [] Passes e2e testing
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• What kind of change does this PR introduce?
  Add map save check

• What is the current behavior?
  closes Add map save check #1605

• Does this PR introduce a breaking change?
  No

[rssk]

this still allows covariate fields that have not been mapped to still be saved, put a 'missing fields' instead of 'data map saved' and prevent saving