feat: GET self owner and refactor self owner to remove circular dependency between user and owner

src/entities/owner.rs

@@ -10,7 +10,8 @@ pub struct Model {
     pub user_id: u32,
     pub first_name: String,
     pub last_name: String,
-    pub contact: String
+    pub contact: String,
+    pub user: bool
 }
 
 impl Entity {

src/entities/user.rs

@@ -10,7 +10,6 @@ pub struct Model {
     #[sea_orm(unique)]
     pub username: String,
     pub hashed_password: String,
-    pub owner_id: Option<u32>,
 }
 
 impl Model {