fix(advance-filtering): adjust proper height

Author: georgianastasov

src/app/grid/grid-external-advanced-filtering/grid-external-advanced-filtering.component.scss

@@ -7,6 +7,6 @@
 
 .advanced-dialog {
     margin-bottom: 2px;
-    max-height: 400px;
+    max-height: 300px;
     overflow-y: auto;
 }