feat: Bind keyboard events to the current excalidraw container and add handleKeyboardGlobally prop to allow host to bind to document (#3430)

* fix: Bind keyboard events to excalidraw container

* fix cases around blurring

* fix modal rendering so keyboard shortcuts work on modal as well

* Revert "fix modal rendering so keyboard shortcuts work on modal as well"

This reverts commit 2c8ec6be8eff7d308591467fe2c33cfbca16138f.

* Attach keyboard event in react way so we need not handle portals separately (modals)

* dnt propagate esc event when modal shown

* focus the container when help dialog closed with shift+?

* focus the help icon when help dialog on close triggered

* move focusNearestTabbableParent to util

* rename util to focusNearestParent and remove outline from excal and modal

* Add prop bindKeyGlobally to decide if keyboard events should be binded to document and allow it in excal app, revert tests

* fix

* focus container after installing library, reset library and closing error dialog

* fix tests and create util to focus container

* Add excalidraw-container class to focus on the container

* pass focus container to library to focus current instance of excal

* update docs

* remove util as it wont be used anywhere

* fix propagation not being stopped for React keyboard handling

* tweak reamde

Co-authored-by: David Luzar <luzar.david@gmail.com>

* tweak changelog

* rename prop to handleKeyboardGlobally

Co-authored-by: dwelle <luzar.david@gmail.com>

src/actions/actionMenu.tsx

@@ -70,7 +70,10 @@ export const actionFullScreen = register({
 
 export const actionShortcuts = register({
   name: "toggleShortcuts",
-  perform: (_elements, appState) => {
+  perform: (_elements, appState, _, { focusContainer }) => {
+    if (appState.showHelpDialog) {
+      focusContainer();
+    }
     return {
       appState: {
         ...appState,