MM-15707 include missing localized strings (#10904)

i18n/en.json

@@ -5086,6 +5086,54 @@
     "id": "model.token.is_valid.size",
     "translation": "Invalid token."
   },
+  {
+    "id": "model.user.is_valid.auth_data.app_error",
+    "translation": "Invalid auth data"
+  },
+  {
+    "id": "model.user.is_valid.auth_data_pwd.app_error",
+    "translation": "Invalid user, password and auth data cannot both be set"
+  },
+  {
+    "id": "model.user.is_valid.auth_data_type.app_error",
+    "translation": "Invalid user, auth data must be set with auth type"
+  },
+  {
+    "id": "model.user.is_valid.create_at.app_error",
+    "translation": "Create at must be a valid time"
+  },
+  {
+    "id": "model.user.is_valid.email.app_error",
+    "translation": "Invalid email"
+  },
+  {
+    "id": "model.user.is_valid.first_name.app_error",
+    "translation": "Invalid first name"
+  },
+  {
+    "id": "model.user.is_valid.id.app_error",
+    "translation": "Invalid user id"
+  },
+  {
+    "id": "model.user.is_valid.last_name.app_error",
+    "translation": "Invalid last name"
+  },
+  {
+    "id": "model.user.is_valid.locale.app_error",
+    "translation": "Invalid locale"
+  },
+  {
+    "id": "model.user.is_valid.nickname.app_error",
+    "translation": "Invalid nickname"
+  },
+  {
+    "id": "model.user.is_valid.password_limit.app_error",
+    "translation": "Unable to set a password over 72 characters due to the limitations of bcrypt."
+  },
+  {
+    "id": "model.user.is_valid.position.app_error",
+    "translation": "Invalid position: must not be longer than 128 characters."
+  },
   {
     "id": "model.user.is_valid.pwd.app_error",
     "translation": "Your password must contain at least {{.Min}} characters."
@@ -5150,6 +5198,14 @@
     "id": "model.user.is_valid.pwd_uppercase_symbol.app_error",
     "translation": "Your password must contain at least {{.Min}} characters made up of at least one uppercase letter and at least one symbol (e.g. \"~!@#$%^&*()\")."
   },
+  {
+    "id": "model.user.is_valid.update_at.app_error",
+    "translation": "Update at must be a valid time"
+  },
+  {
+    "id": "model.user.is_valid.username.app_error",
+    "translation": "Username must begin with a letter, and contain between 3 to 22 lowercase characters made up of numbers, letters, and the symbols \".\", \"-\", and \"_\"."
+  },
   {
     "id": "model.user_access_token.is_valid.description.app_error",
     "translation": "Invalid description, must be 255 or less characters"