PM-17008: Send updates

[matt-livefront]

🎟️ Tracking

PM-17008 - Update notes label to "Private note"
PM-17009 - Change "New Password" subtext
PM-17010 - Remove "Deactivate this send" toggle from Text/File Sends

📔 Objective

Updates to the add/edit sends screen:

• Notes field renamed to "Private note" and remove footer text.
• Update the footer text for setting a password.
• Remove "Deactivate this send" toggle.
• Move notes below hide email toggle.

📸 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
• 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 – 361e3a3a-2c94-41d4-aca0-ffc2a80b3243

Great job, no security vulnerabilities found in this Pull Request

[KatherineInCode]

Assuming our conclusions about Crowdin and how changed strings are handled is correct, this all looks quite straightforward.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 89.45%. Comparing base (497a0f9) to head (bd6efb6).
Report is 4 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #1305      +/-   ##
==========================================
- Coverage   89.47%   89.45%   -0.03%     
==========================================
  Files         740      743       +3     
  Lines       46431    46583     +152     
==========================================
+ Hits        41544    41669     +125     
- Misses       4887     4914      +27     

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