fix(login): use translation title key prop to set page title (#10537)

This PR sets the page title to the same title as the respective pages
and introduces a default title ("Login with Zitadel").
Closes #10282

# Which Problems Are Solved

Missing page title on pages.

# How the Problems Are Solved

Using the hosted translation service, we load and merge properties to
set the page title

---------

Co-authored-by: Livio Spring <livio.a@gmail.com>
(cherry picked from commit 772e9c5e3d)

apps/login/locales/de.json

@@ -1,6 +1,7 @@
 {
   "common": {
-    "back": "Zurück"
+    "back": "Zurück",
+    "title": "Anmelden mit Zitadel"
   },
   "accounts": {
     "title": "Konten",

apps/login/locales/en.json

@@ -1,6 +1,7 @@
 {
   "common": {
-    "back": "Back"
+    "back": "Back",
+    "title": "Login with Zitadel"
   },
   "accounts": {
     "title": "Accounts",

apps/login/locales/es.json

@@ -1,6 +1,7 @@
 {
   "common": {
-    "back": "Atrás"
+    "back": "Atrás",
+    "title": "Iniciar sesión con Zitadel"
   },
   "accounts": {
     "title": "Cuentas",

apps/login/locales/it.json

@@ -1,6 +1,7 @@
 {
   "common": {
-    "back": "Indietro"
+    "back": "Indietro",
+    "title": "Accedi con Zitadel"
   },
   "accounts": {
     "title": "Account",

apps/login/locales/pl.json

@@ -1,6 +1,7 @@
 {
   "common": {
-    "back": "Powrót"
+    "back": "Powrót",
+    "title": "Zaloguj się za pomocą Zitadel"
   },
   "accounts": {
     "title": "Konta",

apps/login/locales/ru.json

@@ -1,6 +1,7 @@
 {
   "common": {
-    "back": "Назад"
+    "back": "Назад",
+    "title": "Войти с Zitadel"
   },
   "accounts": {
     "title": "Аккаунты",

apps/login/locales/zh.json

@@ -1,6 +1,7 @@
 {
   "common": {
-    "back": "返回"
+    "back": "返回",
+    "title": "使用 Zitadel 登录"
   },
   "accounts": {
     "title": "账户",