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/user/user.resolver.ts

@@ -1,4 +1,4 @@
-import { Args, Resolver, Query } from '@nestjs/graphql';
+import { Args, Resolver, Query, ResolveField, Parent } from '@nestjs/graphql';
 import { UserService } from './user.service';
 import { FindManyUserArgs } from 'src/core/@generated/user/find-many-user.args';
 import { Workspace } from '@prisma/client';
@@ -46,4 +46,16 @@ export class UserResolver {
       select: prismaSelect.value,
     });
   }
+
+  @ResolveField(() => String, {
+    nullable: false,
+  })
+  displayName(@Parent() parent: User): string {
+    // TODO: Should be removed when displayName is removed from the database
+    if (!parent.firstName && !parent.lastName) {
+      return parent.displayName ?? '';
+    }
+
+    return `${parent.firstName} ${parent.lastName}`;
+  }
 }