fix(sheets-drawing): fix crash when editing text after inserting images and opening the sidebar

[jikkai]

close https://github.com/dream-num/univer-pro/issues/1234

Pull Request Checklist

• Related tickets or issues have been linked in the PR description (or missing issue).
• Naming convention is followed (do please check it especially when you created new plugins, commands and resources).
• Unit tests have been added for the changes (if applicable).
• Breaking changes have been documented (or no breaking changes introduced in this PR).

[wzhudev]

LGTM