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/ui/src/components/index.js

@@ -6,8 +6,8 @@ import { TableList, TableListItem } from './tableList';
 import {
   AboutContent,
   UserPreferences,
-  UserPreferencesModal,
-} from './userPreferencesModal';
+  UserPreferencesForm,
+} from './userPreferencesForm';
 
 import { Checkbox } from './checkbox';
 import { CineDialog } from './cineDialog';
@@ -52,6 +52,6 @@ export {
   Tooltip,
   AboutContent,
   UserPreferences,
-  UserPreferencesModal,
+  UserPreferencesForm,
   OHIFModal,
 };