Fix up some accumulated lint

__tests__/src/components/WorkspaceControlPanelButtons.test.js

@@ -2,8 +2,7 @@ import React from 'react';
 import { shallow } from 'enzyme';
 import WorkspaceMenuButton from '../../../src/containers/WorkspaceMenuButton';
 import FullScreenButton from '../../../src/containers/FullScreenButton';
-import { WorkspaceControlPanelButtons }
-  from '../../../src/components/WorkspaceControlPanelButtons';
+import { WorkspaceControlPanelButtons } from '../../../src/components/WorkspaceControlPanelButtons';
 import { PluginHook } from '../../../src/components/PluginHook';
 
 describe('WorkspaceControlPanelButtons', () => {

src/components/WorkspaceControlPanel.js

@@ -4,8 +4,7 @@ import classNames from 'classnames';
 import AppBar from '@material-ui/core/AppBar';
 import Toolbar from '@material-ui/core/Toolbar';
 import WorkspaceAddButton from '../containers/WorkspaceAddButton';
-import WorkspaceControlPanelButtons
-  from '../containers/WorkspaceControlPanelButtons';
+import WorkspaceControlPanelButtons from '../containers/WorkspaceControlPanelButtons';
 import Branding from '../containers/Branding';
 import ns from '../config/css-ns';
 

src/containers/WorkspaceControlPanelButtons.js

 import { compose } from 'redux';
 import { withStyles } from '@material-ui/core/styles';
 import { withPlugins } from '../extend/withPlugins';
-import { WorkspaceControlPanelButtons }
-  from '../components/WorkspaceControlPanelButtons';
+import { WorkspaceControlPanelButtons } from '../components/WorkspaceControlPanelButtons';
 
 /**
  *