[Mobile] - Autocomplete - Fix regression related to the Enter key code (

#45997)

* Mobile - Fix issue on mobile and the autocomplete feature / slash inserter where the enter key would fail to create the block and instead it creates a new Paragraph block

* Add KeyCodes to the AztecView mock

packages/react-native-aztec/src/AztecView.js

@@ -284,5 +284,6 @@ class AztecView extends Component {
 const RCTAztecView = requireNativeComponent( 'RCTAztecView', AztecView );
 
 AztecView.InputState = AztecInputState;
+AztecView.KeyCodes = KEYCODES;
 
 export default AztecView;

packages/rich-text/src/component/index.native.js

@@ -372,6 +372,7 @@ export class RichText extends Component {
 		this.customEditableOnKeyDown?.( {
 			preventDefault: () => undefined,
 			...event,
+			key: RCTAztecView.KeyCodes[ event?.keyCode ],
 		} );
 
 		this.handleDelete( event );

test/native/__mocks__/@wordpress/react-native-aztec/index.js

@@ -9,9 +9,11 @@ import { omit } from 'lodash';
  */
 import { forwardRef, useImperativeHandle, useRef } from '@wordpress/element';
 
-// Preserve the mock of AztecInputState to be exported with the AztecView mock.
+// Preserve the mock of AztecInputState and AztecKeyCodes to be exported with the AztecView mock.
 const AztecInputState = jest.requireActual( '@wordpress/react-native-aztec' )
 	.default.InputState;
+const AztecKeyCodes = jest.requireActual( '@wordpress/react-native-aztec' )
+	.default.KeyCodes;
 
 const UNSUPPORTED_PROPS = [ 'style' ];
 
@@ -50,5 +52,6 @@ const RCTAztecView = ( { accessibilityLabel, text, ...rest }, ref ) => {
 
 const AztecView = forwardRef( RCTAztecView );
 AztecView.InputState = AztecInputState;
+AztecView.KeyCodes = AztecKeyCodes;
 
 export default AztecView;