PM-13155 add shortcuts file to beta source set for beta app id

[dseverns-livefront]

🎟️ Tracking

https://bitwarden.atlassian.net/browse/PM-13155

📔 Objective

• Fix shortcuts not working for beta build by adding /beta/.../shortcuts.xml with beta version app ID

📸 Screenshots

⏰ 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

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 88.98%. Comparing base (a5e57f1) to head (0cbfe5c).
Report is 6 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #4196   +/-   ##
=======================================
  Coverage   88.98%   88.98%           
=======================================
  Files         441      441           
  Lines       38250    38250           
  Branches     5352     5352           
=======================================
  Hits        34036    34036           
  Misses       2347     2347           
  Partials     1867     1867           

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