Reduce the number of edit-post components used

assets/stylesheets/sections/gutenberg-editor.scss

@@ -17,20 +17,8 @@
 @import 'gutenberg/editor/edit-post/assets/stylesheets/z-index';
 @import 'gutenberg/editor/edit-post/assets/stylesheets/main';
 
-@import 'gutenberg/editor/edit-post/components/meta-boxes/meta-boxes-area/style';
 @import 'gutenberg/editor/edit-post/components/visual-editor/style';
-@import 'gutenberg/editor/edit-post/components/header/pinned-plugins/style';
 @import 'gutenberg/editor/edit-post/components/layout/style';
-@import 'gutenberg/editor/edit-post/components/sidebar/post-schedule/style';
-@import 'gutenberg/editor/edit-post/components/sidebar/post-visibility/style';
-@import 'gutenberg/editor/edit-post/components/header/header-toolbar/style';
-@import 'gutenberg/editor/edit-post/components/header/more-menu/style';
 @import 'gutenberg/editor/edit-post/components/text-editor/style';
-@import 'gutenberg/editor/edit-post/components/sidebar/sidebar-header/style';
-@import 'gutenberg/editor/edit-post/components/sidebar/block-sidebar/style';
-@import 'gutenberg/editor/edit-post/components/header/style';
-@import 'gutenberg/editor/edit-post/components/sidebar/settings-header/style';
-@import 'gutenberg/editor/edit-post/components/sidebar/last-revision/style';
-@import 'gutenberg/editor/edit-post/components/sidebar/style';
 
 @import '../../../node_modules/@wordpress/editor/build-style/style';

client/boot/app.js

@@ -45,3 +45,7 @@ window.AppBoot = () => {
 		user.once( 'change', () => boot( user ) );
 	}
 };
+
+// Gutenberg expects some global values
+// TODO: find a way to remove this later
+window.userSettings = { uid: 'gutenberg-test' };