[WEB-5518]: update magic code token to send code as 6 digit numbers (#8188)

* refactor: simplify token generation in MagicCodeProvider by using a numeric approach

* fix: update placeholder text for unique code input across multiple languages

* refactor: replace token generation with a numeric approach for user email updates

* fix: update placeholder text for unique code input in multiple languages to a numeric format

* refactor: replace random token generation with secrets for enhanced security in user email updates and magic code provider

packages/i18n/src/locales/ru/translations.ts

@@ -74,7 +74,7 @@ export default {
       },
       unique_code: {
         label: "Уникальный код",
-        placeholder: "gets-sets-flys",
+        placeholder: "123456",
         paste_code: "Вставьте код, отправленный на ваш email",
         requesting_new_code: "Запрос нового кода",
         sending_code: "Отправка кода",
@@ -1549,7 +1549,7 @@ export default {
           },
           code: {
             label: "Уникальный код",
-            placeholder: "gets-sets-flys",
+            placeholder: "123456",
             helper_text: "Код подтверждения отправлен на ваш новый email.",
             errors: {
               required: "Уникальный код обязателен",