Fix inserting button block when pressing enter in a block with bound text attribute (#59361)

* Add tabindex 0 to all disabled elements in rich text

* Insert block when use enter in disabled rich text

* Take default block into account

* Add e2e tests when pressing enter in bound blocks

* Revert initial implementation

* Use `insertAfterBlock` instead of `insertDefaultBlock`.

* Remove unnecessary `insertDefaultBlock`

* Destructure innerBlocks array in tests

Co-authored-by: Greg Ziółkowski <grzegorz@gziolo.pl>

* Prettify tests

* Remove unnecessary select in tests

* Destructuring blocks in tests

* Revert "Remove unnecessary select in tests"

This reverts commit 63ffff87ca048a218567772710dcc45affcfd2aa.

* Remove unnecessary select in tests

* Adapt tests to latest changes

---------

Co-authored-by: Greg Ziółkowski <grzegorz@gziolo.pl>

Author: SantosGuillamot

packages/block-editor/src/components/block-list/use-block-props/use-selected-block-event-handlers.js

@@ -22,7 +22,7 @@ import { store as blockEditorStore } from '../../../store';
 export function useEventHandlers( { clientId, isSelected } ) {
 	const { getBlockRootClientId, getBlockIndex } =
 		useSelect( blockEditorStore );
-	const { insertDefaultBlock, removeBlock } = useDispatch( blockEditorStore );
+	const { insertAfterBlock, removeBlock } = useDispatch( blockEditorStore );
 
 	return useRefEffect(
 		( node ) => {
@@ -57,11 +57,7 @@ export function useEventHandlers( { clientId, isSelected } ) {
 				event.preventDefault();
 
 				if ( keyCode === ENTER ) {
-					insertDefaultBlock(
-						{},
-						getBlockRootClientId( clientId ),
-						getBlockIndex( clientId ) + 1
-					);
+					insertAfterBlock( clientId );
 				} else {
 					removeBlock( clientId );
 				}
@@ -90,7 +86,7 @@ export function useEventHandlers( { clientId, isSelected } ) {
 			isSelected,
 			getBlockRootClientId,
 			getBlockIndex,
-			insertDefaultBlock,
+			insertAfterBlock,
 			removeBlock,
 		]
 	);