Move server-side functions from viewerbase to worklist. Split multi-frame and single-image modalities into separate display sets (OHIF-36)

Packages/worklist/server/services/dimse/retrieveMetadata.js

@@ -72,6 +72,7 @@ function resultDataToStudyMetadata(studyInstanceUid, resultData) {
         var instanceSummary = {
             imageType: instance[0x00080008],
             sopClassUid: instance[0x00080016],
+            modality: instance[0x00080060],
             sopInstanceUid: sopInstanceUid,
             instanceNumber: parseFloat(instance[0x00200013]),
             imagePositionPatient: instance[0x00200032],

Packages/worklist/server/services/wado/retrieveMetadata.js

@@ -82,6 +82,7 @@ function resultDataToStudyMetadata(server, studyInstanceUid, resultData) {
         var instanceSummary = {
             imageType: DICOMWeb.getString(instance['00080008']),
             sopClassUid: DICOMWeb.getString(instance['00080016']),
+            modality: DICOMWeb.getString(instance['00080060']),
             sopInstanceUid: sopInstanceUid,
             instanceNumber: DICOMWeb.getNumber(instance['00200013']),
             imagePositionPatient: DICOMWeb.getString(instance['00200032']),