GPL-556 Sample declarations multiple errors response include info

[harrietc52]

User story
As a developer we would like the 422 response of a samples_declarations POST, which contains multiple errors, to inlcude more information about the root_sample_id

Who are the primary contacts for this story
Eduardo
Harry

Acceptance criteria

[ { "declared_at": "2020-06-26T11:37:45", "root_sample_id": "YOR10020466", "value_in_sequencing": "No" }, { "declared_at": "2020-06-26T11:37:45", "value_in_sequencing": "No" }, { "declared_at": "2020-14-500", "root_sample_id": "YOR10020379", "value_in_sequencing": "No" }, { "declared_at": "2020-06-26T11:37:45", "root_sample_id": "YOR10020240", "value_in_sequencing": "Yes" }, { "declared_at": "2020-06-26T11:37:45", "root_sample_id": "YOR10020379", "value_in_sequencing": "Yes" }, { "declared_at": "2020-06-26T11:37:45", "root_sample_id": "YOR10020224", "value_in_sequencing": "Yes" }, { "declared_at": "2020-06-26T11:37:45", "root_sample_id": "YOR10020218", "value_in_sequencing": "Yes" }, { "declared_at": "2020-06-26T11:37:45", "root_sample_id": "YOR10020217", "othertag": "othervalue" }, { "declared_at": "2020-06-26T11:37:45", "root_sample_id": "YOR10020195", "value_in_sequencing": "maybelater" } ]

The above json, with errors, will include the root_sample_id in the response for each respective error message