feat: fix handling of groups and components in message parser

[davidsteiner]

No description provided.

[codecov]

Codecov Report

❌ Patch coverage is 94.40559% with 32 lines in your changes missing coverage. Please review.
✅ Project coverage is 81.98%. Comparing base (a9371b9) to head (11af022).
⚠️ Report is 1 commits behind head on main.

Files with missing lines	Patch %	Lines
crates/hotfix-message/src/builder.rs	96.89%	17 Missing ⚠️
crates/hotfix/src/session.rs	28.57%	15 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #226      +/-   ##
==========================================
+ Coverage   81.64%   81.98%   +0.34%     
==========================================
  Files          75       75              
  Lines        6133     6306     +173     
==========================================
+ Hits         5007     5170     +163     
- Misses       1126     1136      +10     

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