feat(core): Allow admin creation (#7837)

https://linear.app/n8n/issue/PAY-1038

packages/cli/src/services/user.service.ts

@@ -238,18 +238,19 @@ export class UserService {
 		);
 	}
 
-	public async inviteMembers(owner: User, emails: string[]) {
+	async inviteUsers(owner: User, attributes: Array<{ email: string; role: 'member' | 'admin' }>) {
 		const memberRole = await this.roleService.findGlobalMemberRole();
+		const adminRole = await this.roleService.findGlobalAdminRole();
 
 		const existingUsers = await this.findMany({
-			where: { email: In(emails) },
+			where: { email: In(attributes.map(({ email }) => email)) },
 			relations: ['globalRole'],
 			select: ['email', 'password', 'id'],
 		});
 
 		const existUsersEmails = existingUsers.map((user) => user.email);
 
-		const toCreateUsers = emails.filter((email) => !existUsersEmails.includes(email));
+		const toCreateUsers = attributes.filter(({ email }) => !existUsersEmails.includes(email));
 
 		const pendingUsersToInvite = existingUsers.filter((email) => email.isPending);
 
@@ -264,10 +265,10 @@ export class UserService {
 		try {
 			await this.getManager().transaction(async (transactionManager) =>
 				Promise.all(
-					toCreateUsers.map(async (email) => {
+					toCreateUsers.map(async ({ email, role }) => {
 						const newUser = Object.assign(new User(), {
 							email,
-							globalRole: memberRole,
+							globalRole: role === 'member' ? memberRole : adminRole,
 						});
 						const savedUser = await transactionManager.save<User>(newUser);
 						createdUsers.set(email, savedUser.id);
@@ -285,6 +286,6 @@ export class UserService {
 
 		const usersInvited = await this.sendEmails(owner, Object.fromEntries(createdUsers));
 
-		return { usersInvited, usersCreated: toCreateUsers };
+		return { usersInvited, usersCreated: toCreateUsers.map(({ email }) => email) };
 	}
 }