Add a null check in getListAnnounceData

[JiuqingSong]

Add a null check in getListAnnounceData

Error callstack:

at webpack://owa/packages/roosterjs-content-model-api/lib/modelApi/list/getListAnnounceData.ts:27
at webpack://owa/packages/roosterjs-content-model-plugins/lib/edit/inputSteps/handleEnterOnList.ts:46
at webpack://owa/packages/roosterjs-content-model-dom/lib/modelApi/editing/runEditSteps.ts:16
at Native Browser Function(Array.forEach)
at webpack://owa/packages/roosterjs-content-model-dom/lib/modelApi/editing/runEditSteps.ts:14
at webpack://owa/packages/roosterjs-content-model-plugins/lib/edit/keyboardEnter.ts:42
at webpack://owa/packages/roosterjs-content-model-core/lib/coreApi/formatContentModel/formatContentModel.ts:40
at webpack://owa/packages/roosterjs-content-model-core/lib/editor/Editor.ts:181
at webpack://owa/packages/roosterjs-content-model-plugins/lib/edit/keyboardEnter.ts:23
at webpack://owa/packages/roosterjs-content-model-plugins/lib/edit/EditPlugin.ts:207
at webpack://owa/packages/roosterjs-content-model-plugins/lib/edit/EditPlugin.ts:112
at webpack://owa/packages/common/controls/packages/controls/owa-editor-lazy-plugin/src/utils/createLazyContentModelPlugin.ts:135

[Copilot]

PR Overview

This PR adds a null check to the getListAnnounceData function to prevent errors when level is undefined in list items. Key changes include:

• Introducing optional chaining on level.format.displayForDummyItem to return null if level is absent.
• Updating the condition in getListAnnounceData in packages/roosterjs-content-model-api/lib/modelApi/list/getListAnnounceData.ts.

Reviewed Changes

File	Description
packages/roosterjs-content-model-api/lib/modelApi/list/getListAnnounceData.ts	Added null check for level.format.displayForDummyItem in getListAnnounceData

Copilot reviewed 1 out of 1 changed files in this pull request and generated 1 comment.