Merge pull request #15173 from abpframework/jquery-extensions.js

Update jquery-extensions.js

framework/src/Volo.Abp.AspNetCore.Mvc.UI.Theme.Shared/wwwroot/libs/abp/aspnetcore-mvc-ui-theme-shared/jquery/jquery-extensions.js

@@ -135,7 +135,9 @@
                     }
 
                     if (i == names.length - 1 && j == i) {
-                        o[names[j]] = x.value;
+                        if ($.isEmptyObject(o[names[j]])) {
+                            o[names[j]] = x.value;
+                        }
                     }
 
                     o = o[names[j]]