PLT-7025: Fix Slack Import API. (#6905)

webapp/components/team_import_tab.jsx

@@ -29,12 +29,12 @@ class TeamImportTab extends React.Component {
         };
     }
 
-    onImportFailure(e, err, res) {
-        this.setState({status: 'fail', link: 'data:application/octet-stream;charset=utf-8,' + encodeURIComponent(res.text)});
+    onImportFailure() {
+        this.setState({status: 'fail'});
     }
 
-    onImportSuccess(data, res) {
-        this.setState({status: 'done', link: 'data:application/octet-stream;charset=utf-8,' + encodeURIComponent(res.text)});
+    onImportSuccess(data) {
+        this.setState({status: 'done', link: 'data:application/octet-stream;charset=utf-8,' + encodeURIComponent(atob(data.results))});
     }
 
     doImportSlack(file) {

webapp/utils/utils.jsx

@@ -1107,7 +1107,7 @@ export function isDirectChannelForUser(otherUserId, channel) {
 }
 
 export function importSlack(file, success, error) {
-    Client4.importTeam(file, 'slack').then(success).catch(error);
+    Client4.importTeam(TeamStore.getCurrent().id, file, 'slack').then(success).catch(error);
 }
 
 export function windowWidth() {