fix(alacritty): keep reflowed prompt in viewport when shrinking columns

[iamazy]

No description provided.

[codecov]

Codecov Report

❌ Patch coverage is 76.24611% with 305 lines in your changes missing coverage. Please review.
✅ Project coverage is 52.58%. Comparing base (f8542ad) to head (cc323ac).
⚠️ Report is 1 commits behind head on main.

Files with missing lines	Patch %	Lines
termua/src/window/new_session/actions.rs	59.76%	101 Missing ⚠️
termua/src/window/new_session/mod.rs	54.30%	85 Missing ⚠️
termua/src/session/store.rs	85.11%	74 Missing ⚠️
termua/src/window/new_session/render.rs	85.65%	36 Missing ⚠️
termua/src/window/main_window/actions.rs	50.00%	7 Missing ⚠️
termua/src/bootstrap.rs	0.00%	1 Missing ⚠️
termua/src/env.rs	97.50%	1 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main      #10      +/-   ##
==========================================
+ Coverage   52.07%   52.58%   +0.50%     
==========================================
  Files         164      164              
  Lines       58297    59379    +1082     
==========================================
+ Hits        30361    31225     +864     
- Misses      27936    28154     +218     

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