[OHIF-193 + OHIF-313] (#1955)

* create context menu

* OHIF-193: Add context menu integration with measurement service

* OHIF-193: Update comments

* OHIF-CR Update: Add requested updates

* CR Update: Update measurement service remove function

* CR Update: Update casing

* CR Updates

* Update cornerstone measurments when the label is edited in the measurement service.

* Implement click outside behavior

* Address reviewer comments.

Co-authored-by: Rodrigo Antinarelli <rodrigoantinarelli@gmail.com>
Co-authored-by: igoroctaviano <igoroctaviano@gmail.com>

platform/ui/index.js

@@ -32,6 +32,7 @@ export {
 export {
   Button,
   ButtonGroup,
+  ContextMenu,
   DateRange,
   Dialog,
   Dropdown,
@@ -76,6 +77,7 @@ export {
   ThumbnailTracked,
   ThumbnailList,
   ToolbarButton,
+  ContextMenuMeasurements,
   Tooltip,
   TooltipClipboard,
   Typography,