Fix/settings session overflow

[bromiesTM]

• Resolves: [Bug]: personal settings/Security Devices & Sessions table x-overflow on mobile #47321

Summary

Fixes an HTML class typo
Fixes an overflow caused by a too large / not collapsing table
side effect: table structure is now more consistend

Before

After

Checklist

• Code is properly formatted
• Sign-off message is added to all commits
• Tests (unit, integration, api and/or acceptance) are included
• Screenshots before/after for front-end changes
• Documentation (manuals or wiki) has been updated or is not required
• Backports requested where applicable (ex: critical bugfixes)

[github-actions]

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