Feature/return specific rpc code errors

[kimlisa]

Description

As a developer, I want to return rpc code specific to the error to provide consistency in error decoding in front end and back end.

Requires refactoring everything that returns errors including unit tests and integration tests.

Story Points

5

Definitions of Done

• [ ] rpc codes are specific to error
• [ ] unit tested to ensure test passes
• [ ] integration tested to ensure test passes

[faraonc]

Closing this to follow https://jbrandhorst.com/post/grpc-errors/