Field name 'is_2fa' converted to 'is2fa' during insertion in SeaORM

Description

When generating entity with SeaORM, the insertion statement unexpectedly transforms the field name "is_2fa" into "is2fa".

Steps to Reproduce

1. The command I executed to generate entity:

sea-orm-cli generate entity --database-url postgres://postgres:password@host:5432/dbname -o src/entity --with-serde both --expanded-format
2.

crate::entity::users::ActiveModel {
        id: Set(Uuid::new_v4()),
        username: Set(username),
        password: Set(util::password::hash(password).await),
        email: Set(email),
        role: Set(crate::entity::sea_orm_active_enums::PermissionLevel::Reader),
        is_2fa: Set(false),
        ..Default::default()
    }
    .insert(&tx)
    .await?;

3. The SQL generated by SeaORM.

INSERT INTO "users" ("id", "username", "password", "email", "role") VALUES ('2bd3cb70-0b26-4942-9aec-0bc0c37282da', 'admin', '$argon2id$v=19$m=19456,t=2,p=1$lLKmpXeiMihx8esjKmYV3A$ccgd1yniNX6W2b7HSflFic3Z29xuwznsBWqoA9tKrqg', 'initcoool@gmail.com', CAST('reader' AS permission_level)) RETURNING "id", "username", "password", "email", CAST("role" AS text), "email_verified", "is2fa", "avatar_url", "nickname", "gender", "birthday", "country", "region", "bio", "phone_number", "last_login_at", "verification_status", "created_at", "updated_at"

Versions

sea-orm-cli 0.12.14
sea-orm = { version = "0.12.14", features = ["sqlx-postgres", "runtime-tokio-rustls", "macros", "debug-print"] }

Reproduce the issue with the shown sea-orm-cli generate entity command and the ActiveModel insertion example against PostgreSQL. Compare the generated entity field is_2fa with the INSERT and RETURNING SQL; done means the field name remains consistent through insertion and the regression is covered by a test.