chore: fixes the accessibility issue related to 'focus'

[ItshMoh]

Fixes accessibility issue related to 'focus' by adding a custom focus ring for collapsible buttons.

Description

Related issue(s) #961

[sonarqubecloud[bot]]

Quality Gate passed

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0 Accepted issues

Measures
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0.0% Coverage on New Code
0.0% Duplication on New Code

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[sonarqubecloud[bot]]

Quality Gate passed

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0 Accepted issues

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0.0% Coverage on New Code
0.0% Duplication on New Code

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[AceTheCreator]

/rtm

[sonarqubecloud[bot]]

Quality Gate passed

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0.0% Duplication on New Code

See analysis details on SonarQube Cloud

[sonarqubecloud[bot]]

Quality Gate passed

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0 Accepted issues

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0.0% Coverage on New Code
0.0% Duplication on New Code

See analysis details on SonarQube Cloud

[github-actions[bot]]

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[sonarqubecloud[bot]]

Quality Gate passed

Issues
0 New issues
0 Accepted issues

Measures
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0.0% Coverage on New Code
0.0% Duplication on New Code

See analysis details on SonarQube Cloud

[asyncapi-bot]

:tada: This PR is included in version 2.6.5 :tada:

The release is available on:

• npm package (@latest dist-tag)
• GitHub release

Your semantic-release bot :package::rocket: