fix(dicom-pdf): enhance PDF loading with authentication support

- move authenticated rendered media loading into the datasource\n- route DICOM video display sets through Cornerstone video viewports\n- add a 3.12 to 3.13 migration note for the removed DICOM-video viewport namespace

modes/basic/src/index.tsx

@@ -44,7 +44,6 @@ export const dicomsr = {
 
 export const dicomvideo = {
   sopClassHandler: '@ohif/extension-dicom-video.sopClassHandlerModule.dicom-video',
-  viewport: '@ohif/extension-dicom-video.viewportModule.dicom-video',
 };
 
 export const dicomecg = {