SOLR-18153: Fix File Upload in Documents Tab of Admin UI (#4204)

Author: epugh

changelog/unreleased/SOLR-18153.yml

@@ -0,0 +1,7 @@
+title: Fixed file upload in the Documents tab of Admin UI.
+type: fixed
+authors:
+  - name: Eric Pugh
+links:
+  - name: SOLR-18153
+    url: https://issues.apache.org/jira/browse/SOLR-18153

solr/webapp/web/js/angular/services.js

@@ -166,7 +166,11 @@ solrAdminServices.factory('System',
         $http.post(url, fd, {
             transformRequest: angular.identity,
             headers: {'Content-Type': undefined}
-        }).success(success).error(error);
+        }).then(function(response) {
+            success(response.data);
+        }, function(response) {
+            error(response.data);
+        });
     }
 })
 .filter('splitByComma', function() {