fix(core): fix disposing univer causing error

[wzhudev]

close #2351

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).

[codecov[bot]]

Codecov Report

Attention: Patch coverage is 0% with 6 lines in your changes missing coverage. Please review.

Project coverage is 27.16%. Comparing base (adc1e1f) to head (3743632). Report is 1 commits behind head on dev.

Files	Patch %	Lines
...s/ui/src/views/components/doc-bars/ToolbarItem.tsx	0.00%	3 Missing :warning:
...core/src/services/permission/permission.service.ts	0.00%	2 Missing :warning:
...ages/ui/src/views/components/popup/CanvasPopup.tsx	0.00%	1 Missing :warning:

Additional details and impacted files

```diff @@ Coverage Diff @@ ## dev #2515 +/- ## ======================================= Coverage 27.16% 27.16% ======================================= Files 1653 1653 Lines 83358 83357 -1 Branches 17263 17263 ======================================= + Hits 22642 22643 +1 + Misses 60716 60714 -2 ```

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