Prevent non-regulated operations from being assigned a BORO ID

[BCerki]

Describe the task

BORO IDs are only assigned to Regulated Operations - so this includes OBPS Regulated Operations, New Entrants and Opt-ins. Those who do NOT get a BORO ID include all the non-regulated operations - so this includes Reporting Operations, Potential Reporting Operations and EIOs.

Currently in the app, all operations except EIOs can be assigned a BORO ID.

Acceptance Criteria

• raise an error in the boro_id endpoint if anyone tries to assign an ID to one of the registration purposes that isn't allowed (add to the raise error line for EIOs)
• in the BoroIdWidget, conditionally hide the "Issue BORO ID" button for operations that aren't allowed it (again, update the bit hiding it for EIOs)
• add tests for ^

Definition of Done

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Additional context

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