fix(editor): implement editor shortcut action for home and end keys to fix exception about unimplemented ScrollToDocumentBoundaryIntent (#1937)

* fix(editor): implement editor shortcut action for home and end keys to fix thrown exception about unimplemented ScrollToDocumentBoundaryIntent action

lib/src/widgets/raw_editor/raw_editor_actions.dart

@@ -580,3 +580,29 @@ class QuillEditorInsertEmbedIntent extends Intent {
 
   final Attribute type;
 }
+
+class NavigateToDocumentBoundaryAction
+    extends ContextAction<ScrollToDocumentBoundaryIntent> {
+  NavigateToDocumentBoundaryAction(this.state);
+
+  final QuillRawEditorState state;
+
+  @override
+  Object? invoke(
+    ScrollToDocumentBoundaryIntent intent, [
+    BuildContext? context,
+  ]) {
+    return Actions.invoke(
+      context!,
+      UpdateSelectionIntent(
+        state.textEditingValue,
+        intent.forward
+            ? TextSelection.collapsed(
+                offset: state.controller.plainTextEditingValue.text.length,
+              )
+            : const TextSelection.collapsed(offset: 0),
+        SelectionChangedCause.keyboard,
+      ),
+    );
+  }
+}

lib/src/widgets/raw_editor/raw_editor_state.dart

@@ -701,6 +701,18 @@ class QuillRawEditorState extends EditorState
               control: !isDesktopMacOS,
               meta: isDesktopMacOS,
             ): const OpenSearchIntent(),
+
+            // Navigate to the start or end of the document
+            SingleActivator(
+              LogicalKeyboardKey.home,
+              control: !isDesktopMacOS,
+              meta: isDesktopMacOS,
+            ): const ScrollToDocumentBoundaryIntent(forward: false),
+            SingleActivator(
+              LogicalKeyboardKey.end,
+              control: !isDesktopMacOS,
+              meta: isDesktopMacOS,
+            ): const ScrollToDocumentBoundaryIntent(forward: true),
           }, {
             ...?widget.configurations.customShortcuts
           }),
@@ -1674,7 +1686,8 @@ class QuillRawEditorState extends EditorState
     IndentSelectionIntent: _indentSelectionAction,
     QuillEditorApplyHeaderIntent: _applyHeaderAction,
     QuillEditorApplyCheckListIntent: _applyCheckListAction,
-    QuillEditorApplyLinkIntent: QuillEditorApplyLinkAction(this)
+    QuillEditorApplyLinkIntent: QuillEditorApplyLinkAction(this),
+    ScrollToDocumentBoundaryIntent: NavigateToDocumentBoundaryAction(this)
   };
 
   @override