disable description at payment entry form

ui/hv2-ui/src/app/account/account.component.html

@@ -16,9 +16,9 @@
     <mat-label>Betrag (€)</mat-label>
     <input matInput type="number" name="amount" ngModel/>
 </mat-form-field>
-<mat-form-field appearance="outline">
+<mat-form-field appearance="outline" *ngIf="!shallBeRentPayment">
     <mat-label>Beschreibung</mat-label>
-    <input matInput name="description" ngModel/>
+    <input matInput name="description" [disabled]="shallBeRentPayment" ngModel/>
 </mat-form-field>
 <button #addAccountEntryButton type="submit" mat-raised-button color="primary">Buchung speichern</button>
 </form>

ui/hv2-ui/src/app/account/account.component.ts

@@ -106,6 +106,7 @@ export class AccountComponent implements OnInit {
 
       if (this.shallBeRentPayment) {
         newAccountEntry.account_entry_category = this.accountEntryCategoriesInverseMap.get('Mietzahlung').id
+        newAccountEntry.description = "Miete"
         this.messageService.add(`shall be rentpayment, category is ${newAccountEntry.account_entry_category}`)
       } else {
         newAccountEntry.account_entry_category = formData.value.category