fix(admin): fix pagination label for estimated number of results

Author: Johaney-s

libs/perun/services/src/lib/custom-mat-paginator.ts

@@ -5,17 +5,20 @@ import { MatPaginatorIntl } from '@angular/material/paginator';
 export class CustomMatPaginator extends MatPaginatorIntl {
   getRangeLabel = function (page: number, pageSize: number, length: number): string {
     let estimatedLength: string;
+    const start = page * pageSize + 1;
+    const range = (page + 1) * pageSize;
+    const end = range > length ? length : range;
+
     if (length < 1000) {
-      estimatedLength = String(length);
+      return `${start} – ${end} of ${String(length)}`;
     } else if (length < 10000) {
       estimatedLength = '1 000';
     } else if (length < 100000) {
       estimatedLength = '10 000';
     } else {
       estimatedLength = '100 000';
     }
-    const start = page * pageSize + 1;
-    const end = (page + 1) * pageSize;
+
     return `${start} – ${end} of ${estimatedLength} +`;
   };
 }