Add ESC btn to toolbar to quickly exit formatting (#1283)

* Add ESC btn to toolbar to quickly exit formatting

* add horizontal scroll to toolbar item

* make editor toolbar usable in touch device

* fix editor hotkeys not working in window

* remove unused import

src/app/components/editor/Editor.css.ts

@@ -43,6 +43,7 @@ export const EditorPlaceholder = style([
   {
     position: 'absolute',
     zIndex: 1,
+    width: '100%',
     opacity: config.opacity.Placeholder,
     pointerEvents: 'none',
     userSelect: 'none',
@@ -55,9 +56,10 @@ export const EditorPlaceholder = style([
   },
 ]);
 
-export const EditorToolbar = style([
-  DefaultReset,
-  {
-    padding: config.space.S100,
-  },
-]);
+export const EditorToolbarBase = style({
+  padding: `0 ${config.borderWidth.B300}`,
+});
+
+export const EditorToolbar = style({
+  padding: config.space.S100,
+});