feat(ui): change floating position

[wzhudev]

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]

@zhaolixin7 The mounting point of floating panels have been changed. Please verity that all panels work.

[codecov[bot]]

Codecov Report

Attention: Patch coverage is 0% with 104 lines in your changes missing coverage. Please review.

Project coverage is 26.47%. Comparing base (a2fd4ed) to head (2fcdc85). Report is 6 commits behind head on dev.

Files	Patch %	Lines
packages/engine-render/src/floating/util.ts	0.00%	84 Missing :warning:
packages/engine-render/src/engine.ts	0.00%	9 Missing :warning:
...eets-ui/src/services/canvas-pop-manager.service.ts	0.00%	4 Missing :warning:
packages/ui/src/views/DesktopApp.tsx	0.00%	4 Missing :warning:
packages/design/src/components/popup/RectPopup.tsx	0.00%	1 Missing :warning:
...es/ui/src/controllers/ui/ui-desktop.controller.tsx	0.00%	1 Missing :warning:
packages/ui/src/services/parts/parts.service.ts	0.00%	1 Missing :warning:

Additional details and impacted files

```diff @@ Coverage Diff @@ ## dev #2698 +/- ## ========================================== - Coverage 26.92% 26.47% -0.46% ========================================== Files 1636 1669 +33 Lines 87997 89547 +1550 Branches 18554 18876 +322 ========================================== + Hits 23695 23709 +14 - Misses 64302 65838 +1536 ```

:umbrella: View full report in Codecov by Sentry.
:loudspeaker: Have feedback on the report? Share it here.

[github-actions[bot]]

View Deployment

📑 Examples	📚 Storybook
🔗 Preview link	🔗 Preview link