[PM-16675] Prevent scrollbar from appearing on each send item

[vleague2]

🎟️ Tracking

PM-16675

📔 Objective

On the Send page, items were rendering with individual scrollbars. This was due to a misplaced padding override on the send items causing it to be shorter than expected, and a previous change to increase the click area of item action buttons causing the buttons to overflow the short item container. This PR fixes the send item padding and hides overflow on items.

📸 Screenshots

Before:

Screen.Recording.2025-01-02.at.4.38.16.PM.mov

After:

Screen.Recording.2025-01-02.at.4.40.58.PM.mov

⏰ Reminders before review

• Contributor guidelines followed
• All formatters and local linters executed and passed
• Written new unit and / or integration tests where applicable
• Protected functional changes with optionality (feature flags)
• Used internationalization (i18n) for all UI strings
• CI builds passed
• Communicated to DevOps any deployment requirements
• Updated any necessary documentation (Confluence, contributing docs) or informed the documentation team

🦮 Reviewer guidelines

• 👍 (:+1:) or similar for great changes
• 📝 (:memo:) or ℹ️ (:information_source:) for notes or general info
• ❓ (:question:) for questions
• 🤔 (:thinking:) or 💭 (:thought_balloon:) for more open inquiry that's not quite a confirmed issue and could potentially benefit from discussion
• 🎨 (:art:) for suggestions / improvements
• ❌ (:x:) or ⚠️ (:warning:) for more significant problems or concerns needing attention
• 🌱 (:seedling:) or ♻️ (:recycle:) for future improvements or indications of technical debt
• ⛏ (:pick:) for minor or nitpick changes

[github-actions]

Checkmarx One – Scan Summary & Details – 73f14efe-8456-447d-9545-0868a7c168d2

No New Or Fixed Issues Found

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 33.73%. Comparing base (af4311f) to head (3874bb0).
Report is 12 commits behind head on main.

✅ All tests successful. No failed tests found.

Additional details and impacted files

@@            Coverage Diff             @@
##             main   #12666      +/-   ##
==========================================
- Coverage   33.74%   33.73%   -0.02%     
==========================================
  Files        2918     2918              
  Lines       90911    90929      +18     
  Branches    17180    17185       +5     
==========================================
- Hits        30677    30672       -5     
- Misses      57841    57864      +23     
  Partials     2393     2393              

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[audreyality]

👍🏻 Looks like this fixes a layout bug on the send item view, too!