fix(app): iPad hardware Enter submits the composer

Fixes #810

packages/app/src/components/message-input.tsx

@@ -47,6 +47,7 @@ import {
 } from "@/components/ui/dropdown-menu";
 import { useWebElementScrollbar } from "@/components/use-web-scrollbar";
 import { useShortcutKeys } from "@/hooks/use-shortcut-keys";
+import { useIosHardwareKeyboardSubmit } from "@/hooks/use-ios-hardware-keyboard-submit";
 import { formatShortcut } from "@/utils/format-shortcut";
 import { getShortcutOs } from "@/utils/shortcut-platform";
 import type { MessageInputKeyboardActionKind } from "@/keyboard/actions";
@@ -1598,6 +1599,10 @@ export const MessageInput = forwardRef<MessageInputRef, MessageInputProps>(
         defaultSendBehavior,
         isAgentRunning,
       });
+    useIosHardwareKeyboardSubmit({
+      isEnabled: isInputFocused && !isSendButtonDisabled,
+      onSubmit: handleDefaultSendAction,
+    });
     const submitAccessibilityLabel = resolveSubmitAccessibilityLabel({
       submitButtonAccessibilityLabel,
       canPressLoadingButton,