clean error message when sending to a deleted user account

frontend/src/locales/de.json

@@ -216,6 +216,7 @@
     "more": "mehr",
     "nullTransactions": "Du hast noch keine Transaktionen auf deinem Konto.",
     "receiverNotFound": "Empfänger nicht gefunden",
+    "receiverDeleted":"Das Empfängerkonto wurde gelöscht",
     "show_all": "Alle <strong>{count}</strong> Transaktionen ansehen"
   },
   "transactions": "Transaktionen",

frontend/src/locales/en.json

@@ -216,6 +216,7 @@
     "more": "more",
     "nullTransactions": "You don't have any transactions on your account yet.",
     "receiverNotFound": "Recipient not found",
+    "receiverDeleted":"The recipient account was deleted",
     "show_all": "View all <strong>{count}</strong> transactions."
   },
   "transactions": "Transactions",

frontend/src/views/Pages/SendOverview/GddSend/TransactionResult.vue

@@ -13,6 +13,12 @@
             <div class="test-receiver-not-found" v-if="errorResult === 'recipient not known'">
               {{ $t('transaction.receiverNotFound') }}
             </div>
+            <div
+              class="test-receiver-not-found"
+              v-if="errorResult === 'GraphQL error: The recipient account was deleted'"
+            >
+             {{ $t('transaction.receiverDeleted') }}
+            </div>
             <div v-else>({{ errorResult }})</div>
           </div>
           <p class="text-center mt-3">