[PM-12504] - hide create send button and send tab when sends are disabled

[jaasen-livefront]

🎟️ Tracking

https://bitwarden.atlassian.net/browse/PM-12504

📔 Objective

This PR implements the following requirements to the send list page and app tab nav for when sends are disabled:

1. remove the create send button
2. display callout
3. remove sends from tab if user has no sends

📸 Screenshots

With existing send	Without existing send

⏰ 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 – 6f2bf8b9-cdda-44c8-ab94-5a7898e41c63

No New Or Fixed Issues Found