fix: add firstName and lastName to user model (#473)

* fix: add firstname and lastanme to user model

* fix: avoid undefined in displayName resolve field

* fix: user firstName and lastName instead of firstname lastname

* fix: person table proper naming firstName lastName

* fix: migrate front with firstName and lastName

* fix: make front-graphql-generate not working

server/src/core/auth/services/auth.service.ts

@@ -43,7 +43,8 @@ export class AuthService {
 
     const user = await this.userService.createUser({
       data: {
-        displayName: registerInput.displayName,
+        firstName: registerInput.firstName,
+        lastName: registerInput.lastName,
         email: registerInput.email,
         passwordHash,
         locale: 'en',