feat: enhance NewBroadcast component with contact import and improved…

[paulobernardoaf]

Description

Type of Change

• • Bugfix
• • Feature
• • Code style update (formatting, local variables)
• • Refactoring (no functional changes, no api changes)
• • Tests
• • Other

Motivation and Context

Integrate contact import with groupselection in New Broadcast page

Summary of Changes

Updated NewBroadcast to handle contact import alongside group selection

Design Files

• Design File 1

Demonstration

[codecov-commenter]

Codecov Report

❌ Patch coverage is 71.05263% with 22 lines in your changes missing coverage. Please review.
✅ Project coverage is 81.33%. Comparing base (7942bd6) to head (ba20441).

Files with missing lines	Patch %	Lines
src/views/BulkSend/NewBroadcast.vue	68.57%	22 Missing ⚠️

Additional details and impacted files

@@                           Coverage Diff                            @@
##           feat/integrate-contact-import-upload      #82      +/-   ##
========================================================================
- Coverage                                 81.67%   81.33%   -0.35%     
========================================================================
  Files                                        67       67              
  Lines                                      2996     3070      +74     
  Branches                                    320      326       +6     
========================================================================
+ Hits                                       2447     2497      +50     
- Misses                                      549      573      +24     

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