PM-14036: Add extra slider padding

[david-livefront]

🎟️ Tracking

PM-14036

📔 Objective

This PR adds addition end padding to the slider on the Generator Screen. This is an attempt to lower the odds that grabbing the slider thumb when it is at the end of the screen will trigger a navigate-back gesture.

Design approved of this extra padding.

📸 Screenshots

Before	After

⏰ Reminders before review

• Contributor guidelines followed
• All formatters and local linters executed and passed
• Written new unit and / or integration tests where applicable
• Used internationalization (i18n) for all UI strings
• CI builds passed
• Communicated to DevOps any deployment requirements
• Updated any necessary documentation 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

[dseverns-livefront]

[david-livefront]

Thanks @dseverns-livefront

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 89.05%. Comparing base (2eb41e9) to head (d0cb124).
Report is 3 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #4220   +/-   ##
=======================================
  Coverage   89.05%   89.05%           
=======================================
  Files         445      445           
  Lines       38653    38653           
  Branches     5402     5402           
=======================================
  Hits        34422    34422           
  Misses       2357     2357           
  Partials     1874     1874           

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