fix: 🐛 Fix RT Panel hide/show and Fix looping load errors (#1877)

* fix: 🐛 Fix RT Panel hide/show

* Prevent infinite loop by persisting load errors on displaySet.

* fix: 🐛 Fix infinite error messages

* Fix unit tests.

* comment out reamining MRSTUDY line

extensions/dicom-rt/src/tools/modules/rtStructModule.js

@@ -81,7 +81,9 @@ function _setStructureSetVisible(SeriesInstanceUID, visible = true) {
   const StructureSet = getStructureSet(SeriesInstanceUID);
 
   if (StructureSet) {
-    StructureSet.visible = visible;
+    StructureSet.ROIContours.forEach(ROIContour => {
+      ROIContour.visible = visible;
+    });
 
     refreshViewport();
   }
@@ -154,15 +156,10 @@ function setToggleROIContour(SeriesInstanceUID, ROINumber) {
  * Returns an array of StructureSets which reference the given SeriesInstanceUID.
  * @param {string} SeriesInstanceUID The SeriesInstanceUID to check.
  */
-function getStructuresSetsWhichReferenceSeriesInstanceUid(
-  SeriesInstanceUID
-) {
+function getStructuresSetsWhichReferenceSeriesInstanceUid(SeriesInstanceUID) {
   const { StructureSets } = state;
   return StructureSets.filter(StructureSet =>
-    structureSetReferencesSeriesInstanceUid(
-      StructureSet,
-      SeriesInstanceUID
-    )
+    structureSetReferencesSeriesInstanceUid(StructureSet, SeriesInstanceUID)
   );
 }