FIX: Show unconfirmed emails too when checking emails (#10062)

When checking emails through user preferences, it did not display the
unconfirmed emails.

app/assets/javascripts/discourse/app/models/user.js

@@ -770,6 +770,7 @@ const User = RestModel.extend({
         this.setProperties({
           email: result.email,
           secondary_emails: result.secondary_emails,
+          unconfirmed_emails: result.unconfirmed_emails,
           associated_accounts: result.associated_accounts
         });
       }

app/controllers/users_controller.rb

@@ -195,10 +195,12 @@ class UsersController < ApplicationController
     end
 
     email, *secondary_emails = user.emails
+    unconfirmed_emails = user.unconfirmed_emails
 
     render json: {
       email: email,
       secondary_emails: secondary_emails,
+      unconfirmed_emails: unconfirmed_emails,
       associated_accounts: user.associated_accounts
     }
   rescue Discourse::InvalidAccess

spec/requests/users_controller_spec.rb

@@ -2519,6 +2519,7 @@ describe UsersController do
 
       it "returns emails and associated_accounts for self" do
         user = Fabricate(:user)
+        Fabricate(:email_change_request, user: user)
         sign_in(user)
 
         get "/u/#{user.username}/emails.json"
@@ -2527,11 +2528,13 @@ describe UsersController do
         json = response.parsed_body
         expect(json["email"]).to eq(user.email)
         expect(json["secondary_emails"]).to eq(user.secondary_emails)
+        expect(json["unconfirmed_emails"]).to eq(user.unconfirmed_emails)
         expect(json["associated_accounts"]).to eq([])
       end
 
       it "returns emails and associated_accounts when you're allowed to see them" do
         user = Fabricate(:user)
+        Fabricate(:email_change_request, user: user)
         sign_in_admin
 
         get "/u/#{user.username}/emails.json"
@@ -2540,11 +2543,13 @@ describe UsersController do
         json = response.parsed_body
         expect(json["email"]).to eq(user.email)
         expect(json["secondary_emails"]).to eq(user.secondary_emails)
+        expect(json["unconfirmed_emails"]).to eq(user.unconfirmed_emails)
         expect(json["associated_accounts"]).to eq([])
       end
 
       it "works on inactive users" do
         inactive_user = Fabricate(:user, active: false)
+        Fabricate(:email_change_request, user: inactive_user)
         sign_in_admin
 
         get "/u/#{inactive_user.username}/emails.json"
@@ -2553,6 +2558,7 @@ describe UsersController do
         json = response.parsed_body
         expect(json["email"]).to eq(inactive_user.email)
         expect(json["secondary_emails"]).to eq(inactive_user.secondary_emails)
+        expect(json["unconfirmed_emails"]).to eq(inactive_user.unconfirmed_emails)
         expect(json["associated_accounts"]).to eq([])
       end
     end