Deprecate Release empty Evidence evidence array and status code 202

Problem to solve

Refer #211675 (comment 338189226)

Could we consider adding the id into the empty Evidence array, and then correcting the status code as a breaking change in 14.0?

Create a deprecation notice to indicate:

• The Evidence array now returns the Evidence id - in future this should be an integer and not an array of 1 value
• The returned status code is 202, this will change to 201 in 14.0 with #216945 (closed)

Further details

Proposal

Who can address the issue

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