Direct payments for invoices

Events can be moved to archive and moved back
Fixed validation

app/Providers/InvoiceCsvFileProvider.php

@@ -25,7 +25,7 @@ class InvoiceCsvFileProvider {
             '"Kontoinhaber*in"',
             '"Betrag"',
             '"Spende"',
-            '"Beleg ohne Auszahlung"',
+            '"Buchungstext"'
         ]);
 
         foreach ($this->invoices as $invoice) {
@@ -38,7 +38,7 @@ class InvoiceCsvFileProvider {
                 '"' . $invoiceReadable['accountOwner'] . '"',
                 '"' . $invoiceReadable['amountPlain'] . '"',
                 '"' . $invoiceReadable['donation'] . '"',
-                '"' . $invoiceReadable['alreadyPaid'] . '"'
+                '"' . $invoiceReadable['paymentPurpose'] . '"'
             ]);
 
             $csvArray[] = $csvLine;