bug: handle terminal cleanup if main.rs panics from an Err

[ClementTsang]

Description

A description of the change, what it does, and why it was made. If relevant (such as any change that modifies the UI), please provide screenshots of the changes:

Looks like the panic hook doesn't get hit if main exits with an Err. This adds a catch for this scenario.

Tested by inserting a bail! into the main loop and seeing how it reacts.

Issue

If applicable, what issue does this address?

Closes: #

Testing

If relevant, please state how this was tested. All changes must be tested to work:

If this is a code change, please also indicate which platforms were tested:

• Windows
• macOS
• Linux

Checklist

If relevant, ensure the following have been met:

• Areas your change affects have been linted using rustfmt (cargo fmt)
• The change has been tested and doesn't appear to cause any unintended breakage
• Documentation has been added/updated if needed (README.md, help menu, doc pages, etc.)
• The pull request passes the provided CI pipeline
• There are no merge conflicts
• If relevant, new tests were added (don't worry too much about coverage)

[codecov]

Codecov Report

Attention: Patch coverage is 90.90909% with 2 lines in your changes missing coverage. Please review.

Project coverage is 53.90%. Comparing base (873434b) to head (72f5134).
Report is 1 commits behind head on main.

Files with missing lines	Patch %	Lines
src/lib.rs	89.47%	2 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #1660      +/-   ##
==========================================
+ Coverage   53.81%   53.90%   +0.09%     
==========================================
  Files         109      109              
  Lines       17905    17911       +6     
==========================================
+ Hits         9635     9655      +20     
+ Misses       8270     8256      -14     

Flag	Coverage Δ
macos-14	37.36% <81.81%> (+0.09%)	⬆️
ubuntu-latest	56.27% <90.90%> (+0.09%)	⬆️
windows-2019	37.25% <72.72%> (+0.08%)	⬆️

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