feat: limit max size of dock panel

[iamazy]

No description provided.

[codecov]

Codecov Report

❌ Patch coverage is 57.14286% with 18 lines in your changes missing coverage. Please review.
✅ Project coverage is 55.30%. Comparing base (7207482) to head (bc6350e).

Files with missing lines	Patch %	Lines
crates/gpui_term/src/view/mod.rs	6.25%	15 Missing ⚠️
crates/gpui_dock/src/dock.rs	86.36%	3 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main      #55      +/-   ##
==========================================
- Coverage   55.31%   55.30%   -0.01%     
==========================================
  Files         159      159              
  Lines       54671    54689      +18     
==========================================
+ Hits        30241    30247       +6     
- Misses      24430    24442      +12     

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