IndexedDb, bugfixes ans type background color

Pages/CaritasServiceFundVeloFoundKeyDataPage.razor.cs

         }
 
         private static string SplitAndGetFirstPostcode(string postcode) {
-            return String.IsNullOrEmpty(postcode)? "": postcode.Split("-", StringSplitOptions.RemoveEmptyEntries | StringSplitOptions.TrimEntries)[0];
+            return String.IsNullOrEmpty(postcode) ? "" : postcode.Split("-", StringSplitOptions.RemoveEmptyEntries | StringSplitOptions.TrimEntries)[0];
         }
 
         private async Task OnMouseMapClicked(MouseEvent mouseEvent) {