fix(ui): don't exit when typing 'q' in hexdump search and jump

[MykBamberg]

Description of change

The effect of the change was manually tested.

[codecov]

Codecov Report

Attention: Patch coverage is 0% with 15 lines in your changes missing coverage. Please review.

Project coverage is 3.29%. Comparing base (d3b90ad) to head (ea55056).
Report is 1 commits behind head on main.

Files with missing lines	Patch %	Lines
src/tui/state.rs	0.00%	14 Missing ⚠️
src/tui/command.rs	0.00%	1 Missing ⚠️

Additional details and impacted files

@@           Coverage Diff            @@
##            main    #132      +/-   ##
========================================
- Coverage   3.30%   3.29%   -0.01%     
========================================
  Files         19      19              
  Lines       2426    2437      +11     
========================================
  Hits          80      80              
- Misses      2346    2357      +11     

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[orhun]

Thanks for the fix!