Fix: import script to fit the new structure of voucher table (is_printed field removed, voucher_type != KOT is now assumed to be printed)

Fix: Take-away bill type is now removed
Fix: Table overview now shows the right amounts
Voucher Save and Update should now work
Discounts now working (permissions are not checked)

bookie/src/app/sales/quantity/quantity.component.html

@@ -1,4 +1,4 @@
-<div mat-dialog-content>
+<mat-dialog-content>
   <form [formGroup]="form">
     <div fxLayout="row" fxLayoutAlign="space-around start" fxLayout.lt-md="column" fxLayoutGap="20px"
          fxLayoutGap.lt-md="0px">
@@ -9,9 +9,8 @@
       </mat-form-field>
     </div>
   </form>
-</div>
-<div mat-dialog-actions>
+</mat-dialog-content>
+<mat-dialog-actions>
   <button mat-button [mat-dialog-close]="false">Cancel</button>
   <button mat-button (click)="accept()" color="primary">Ok</button>
-</div>
-
+</mat-dialog-actions>