fix: update DICOMSR and Measurement Panel copy to use L/W (#2174)

* fix: update DICOMSR and Measurement Panel copy to use L/W

* functional viewport

* support the active viewport for snapshot

* Support empty viewport case

* bump cs-tools to pick up misc. fixes

extensions/cornerstone/src/CornerstoneViewportDownloadForm.js

@@ -13,9 +13,10 @@ const DEFAULT_SIZE = 512;
 const MAX_TEXTURE_SIZE = 10000;
 
 const CornerstoneViewportDownloadForm = ({ onClose, activeViewportIndex }) => {
-  const { element: activeEnabledElement } = getEnabledElement(
+  const enabledElement = getEnabledElement(
     activeViewportIndex
   );
+  const activeEnabledElement = enabledElement?.element
 
   const enableViewport = viewportElement => {
     if (viewportElement) {
@@ -116,6 +117,7 @@ const CornerstoneViewportDownloadForm = ({ onClose, activeViewportIndex }) => {
     viewportElement.querySelector('canvas').toBlob(blob => {
       const URLObj = window.URL || window.webkitURL;
       const a = document.createElement('a');
+
       a.href = URLObj.createObjectURL(blob);
       a.download = file;
       document.body.appendChild(a);

extensions/cornerstone/src/commandsModule.js

@@ -202,8 +202,9 @@ const commandsModule = ({ servicesManager, commandsManager }) => {
       return enabledElement;
     },
     showDownloadViewportModal: () => {
-      const activeViewportIndex = 0; // viewports.activeViewportIndex;
+      const { activeViewportIndex } = ViewportGridService.getState();
       const { UIModalService } = servicesManager.services;
+
       if (UIModalService) {
         UIModalService.show({
           content: CornerstoneViewportDownloadForm,