feat: extension panels

* Snapshot -- Switching branches
* fix classes and hooks for panel componet
* Restore button functionality
* feat: support for expandableToolMenu
* Shift cornerstoneTools config up a layer, and use globalToolSync
* Remaining initCornerstoneTools changes
* Pull in Segmentation Plugin
* Shift MeasurementsPanel to an extension
* Note regarding where data is coming from
* Make sure measurement callback is available
* Bump core version
* Shift MeasurementsTable to a local extensions directory
* Register appCommands as an extension
* Update package dependencies and yarn lock
* Support for panel width
* Ability to pass props to our panel component
* Add a safety check around calling our tacked on method for tool options
* Left sidebar plugins + fix activeIndex prop passed to sidebar.
* fix: viewer height
Now in a shared container w/ top bar, so we need to factor that in when calculating height
* lock file latest
* Update thumbnails if studies has changes
* bump cornerstone version to resolve globalToolSynch history issue
* Default panel to open; studies optional
* Bump minor version for ohif-cornestone-extension
* Simplify button logic
* Accommodate odd roundedButtonGroup value change emit
* Map viewers + selectedViewport instead of pulling off the window

src/connectedComponents/ConnectedToolbarRow.js

@@ -1,8 +1,5 @@
-import {
-  setLeftSidebarOpen,
-  setRightSidebarOpen,
-} from './../store/layout/actions.js';
-
+// TODO: REPLACE THIS WITH A CONTEXT PROVIDER
+// EVERYTHING IN `VIEWER.JS` COULD USE THIS FOR APPROPRIATE CONTEXT
 import ToolbarRow from './ToolbarRow';
 import { connect } from 'react-redux';
 import { getActiveContexts } from './../store/layout/selectors.js';
@@ -10,25 +7,9 @@ import { getActiveContexts } from './../store/layout/selectors.js';
 const mapStateToProps = state => {
   return {
     activeContexts: getActiveContexts(state),
-    leftSidebarOpen: state.ui.leftSidebarOpen,
-    rightSidebarOpen: state.ui.rightSidebarOpen,
   };
 };
 
-const mapDispatchToProps = dispatch => {
-  return {
-    setLeftSidebarOpen: state => {
-      dispatch(setLeftSidebarOpen(state));
-    },
-    setRightSidebarOpen: state => {
-      dispatch(setRightSidebarOpen(state));
-    },
-  };
-};
-
-const ConnectedToolbarRow = connect(
-  mapStateToProps,
-  mapDispatchToProps
-)(ToolbarRow);
+const ConnectedToolbarRow = connect(mapStateToProps)(ToolbarRow);
 
 export default ConnectedToolbarRow;