A few more animations

Fix currency prefix issue

src/app/payment/payment.component.ts

@@ -1,3 +1,4 @@
+import { getCurrencySymbol } from '@angular/common';
 import { Component, OnInit } from '@angular/core';
 import { ActivatedRoute } from '@angular/router';
 
@@ -39,6 +40,10 @@ export class PaymentComponent implements OnInit {
     this.backend.setPaymentMethod(coin);
   }
 
+  currencyPrefix(): string {
+    return getCurrencySymbol(this.backend.invoice.currency, 'narrow');
+  }
+
   async get(): Promise<void> {
     await this.backend.setInvoice(this.paymentSelector);
     this.backend.getConfirmation().catch();