chore(ui): Update and add icons

[renefloor]

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CLA

• I have signed the Stream CLA (required).
• The code changes follow best practices
• Code changes are tested (add some information if not applicable)

Description of the pull request

There were some new icons available in our core set, so it's time for an update

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[codecov]

Codecov Report

❌ Patch coverage is 0% with 13 lines in your changes missing coverage. Please review.
⚠️ Please upload report for BASE (main-design-system@5b95b48). Learn more about missing BASE report.

Files with missing lines	Patch %	Lines
...flutter/lib/src/theme/primitives/stream_icons.dart	0.00%	13 Missing ⚠️

❌ Your patch status has failed because the patch coverage (0.00%) is below the target coverage (80.00%). You can increase the patch coverage or adjust the target coverage.

Additional details and impacted files

@@                  Coverage Diff                  @@
##             main-design-system      #57   +/-   ##
=====================================================
  Coverage                      ?   32.85%           
=====================================================
  Files                         ?      101           
  Lines                         ?     3056           
  Branches                      ?        0           
=====================================================
  Hits                          ?     1004           
  Misses                        ?     2052           
  Partials                      ?        0           

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