casing change

extensions/measurement-tracking/src/getPanelModule.js

@@ -1,7 +1,7 @@
 import {
   PanelStudyBrowserTracking,
   PanelMeasurementTableTracking,
-} from './Panels';
+} from './panels';
 
 // TODO:
 // - No loading UI exists yet

extensions/measurement-tracking/src/getViewportModule.js

@@ -1,7 +1,7 @@
 import React from 'react';
 
 const Component = React.lazy(() => {
-  return import('./Viewports/OHIFCornerstoneViewport');
+  return import('./viewports/OHIFCornerstoneViewport');
 });
 
 const OHIFCornerstoneViewport = props => {