Improve spacing between chips

[riesinger]

Description

This patch uses the gap property instead of margins on the chip cards container, which fixes some alignment bugs in some cases

Before:

After:

Related Issue

This PR fixes or closes issue: fixes #1459

Motivation and Context

This solves the problem of misaligned chips in some cases.

How Has This Been Tested

By visually checking this in my dev instance.

Types of changes

• 🐛 Bug fix (non-breaking change which fixes an issue)
• 🚀 New feature (non-breaking change which adds functionality)
• 🌎 Translation (addition or update a translation)
• ⚠️ Breaking change (fix or feature that would cause existing functionality to change)

Checklist

• My code follows the code style of this project.
• My change requires a change to the documentation.
• I have updated the documentation accordingly.
• I have tested the change locally.
• I followed the steps if I add a new language .

[piitaya]

Thank you 🙂