Non-Enum types require `ActiveEnum` trait when used a primary keys.

Description

See here: https://github.com/SeaQL/sea-orm/discussions/1807

It's been unanswered for more than a year and it isn't really a discussion and more like a bug.
In my case I have a wrapper type (named Snowflake) around i64 rust type.
So for every trait that needs to be implemented I can just call the appropriate method on i64 but ActiveEnum is not implemented for it but I can still use it as a primary key?

Steps to Reproduce

1. Create a custom type and implement all necessary traits mentioned here
2. Use that type inside a sea-orm entity as a primary key
3. try cargo build

Expected Behavior

I dont need to implement ActiveEnum traits for non-enum types.

Actual Behavior

It requires me to do so.

Reproduces How Often

Everytime

Workarounds

Non / Custom types are unuseable here.

Reproducible Example

See discussion

Versions

1.1.2

Start with the linked discussion 1807 and the newtype guidance in the SeaORM documentation, then reproduce the issue using a Snowflake wrapper as a primary key and run cargo build. Done means a non-enum custom primary-key type can compile without implementing ActiveEnum.