refactor(ui)!: stream message widget and reactions

[xsahil03x]

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[codecov]

Codecov Report

❌ Patch coverage is 55.48387% with 207 lines in your changes missing coverage. Please review.
✅ Project coverage is 64.63%. Comparing base (5a9cc18) to head (ca90b44).
⚠️ Report is 2 commits behind head on feat/design-refresh.

Files with missing lines	Patch %	Lines
...flutter/lib/src/message_widget/message_widget.dart	46.93%	78 Missing ⚠️
...r/lib/src/message_list_view/message_list_view.dart	36.53%	33 Missing ⚠️
...ssage_widget/components/stream_message_header.dart	26.82%	30 Missing ⚠️
...sage_widget/components/stream_message_content.dart	66.66%	23 Missing ⚠️
...sage_widget/components/stream_message_deleted.dart	7.69%	12 Missing ⚠️
...dget/components/stream_message_sending_status.dart	66.66%	7 Missing ⚠️
...t_flutter/lib/src/message_list_view/mlv_utils.dart	50.00%	6 Missing ⚠️
...tter/lib/src/reactions/picker/reaction_picker.dart	66.66%	6 Missing ⚠️
...ge_widget/components/stream_message_reactions.dart	72.22%	5 Missing ⚠️
...c/attachment/builder/mixed_attachment_builder.dart	0.00%	2 Missing ⚠️
... and 4 more

Additional details and impacted files

@@                   Coverage Diff                   @@
##           feat/design-refresh    #2547      +/-   ##
=======================================================
- Coverage                64.90%   64.63%   -0.28%     
=======================================================
  Files                      437      426      -11     
  Lines                    26677    26097     -580     
=======================================================
- Hits                     17315    16868     -447     
+ Misses                    9362     9229     -133     

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