feat: 🎸 Update hotkeys and user preferences modal (#1135)

* feat: 🎸 Update hotkeys and user preferences modal

This feature fix incompatibility with existent hotkeys component and
adds user preferences modal back

Closes: #923

* Update preferences structure in store

* Hide window level section of user preferences

* Update modal to reflect current hotkey value

* Clone object with hotkeys before passing to manager

* CR Update: Extract hotkeys manager format code to manager

* Fix broken cypress test

* Use new modal provider

* Rename hotkeyDefinitions in hotkeyspreferences and use array as representation

* Update study test and remove unused styles

platform/viewer/src/connectedComponents/ConnectedHeader.js

@@ -1,10 +1,16 @@
 import Header from '../components/Header/Header.js';
 import { connect } from 'react-redux';
+import { hotkeysManager } from '../App.js';
 
 const mapStateToProps = state => {
+  const hotkeyDefinitions =
+    state.preferences.hotkeyDefinitions.length > 0
+      ? state.preferences.hotkeyDefinitions
+      : hotkeysManager.hotkeyDefaults;
+  hotkeysManager.setHotkeys(hotkeyDefinitions);
+
   return {
     user: state.oidc && state.oidc.user,
-    isOpen: state.ui.userPreferencesModalOpen,
   };
 };