PWV-138: Switching selected handle from circle to highlighted line

Packages/ohif-lesiontracker/client/lib/bidirectional/getSelectedHandleKey.js

@@ -0,0 +1,14 @@
+// Get the key for the handle which is selected
+export default function(handles) {
+    let selectedHandleKey;
+    Object.keys(handles).every(handleKey => {
+        const handle = handles[handleKey];
+        if (handle.selected) {
+            selectedHandleKey = handleKey;
+            return false;
+        }
+
+        return true;
+    });
+    return selectedHandleKey;
+}