Fix popover's arrow appearance

[MewenLeHo]

Related issues

Closes #1922

Description

Improve the rendering of popover's arrow.

Motivation & Context

Improve rendering and better compliance to design system.

Before:

After:

Types of change

• Bug fix (non-breaking which fixes an issue)

Live previews

• https://deploy-preview-1936--boosted.netlify.app/docs/5.3/components/popovers/#live-demo

Checklist

Contribution

• I have read the contributing guidelines

Accessibility

• (NA) My change follows accessibility good practices; I have at least run axe

Design

• My change respects the design guidelines defined in Orange Design System
• My change is compatible with responsive display

Development

• My change follows the developer guide
• (NA) I have added JavaScript unit tests to cover my changes
• (NA) I have added SCSS unit tests to cover my changes

Documentation

• (NA) My change introduces changes to the documentation and/or I have updated the documentation accordingly

Checklist (for Core Team only)

• (NA) My change introduces changes to the migration guide
• (NA) My new component is added in Storybook
• My new component is compatible with RTL
• Manually run BrowserStack tests
• Manually test browser compatibility with BrowserStack (Chrome >= 60, Firefox >= 60 (+ ESR), Edge, Safari >= 12, iOS Safari, Chrome & Firefox on Android)
• Code review
• Design review
• (NA) A11y review

After the merge

• Manually launch Percy tests

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[louismaximepiton]

Rendering looks great, however I don't quite like the actual implementation

[louismaximepiton]

👌

[sonarcloud]

Kudos, SonarCloud Quality Gate passed!   

0 Bugs
0 Vulnerabilities
0 Security Hotspots
0 Code Smells

No Coverage information
0.0% Duplication