fix(strings): check for string length to avoid overflow

[godzie44]

close #90

How has this been tested? (if applicable)

Manually

[codecov[bot]]

Codecov Report

Attention: Patch coverage is 0% with 4 lines in your changes missing coverage. Please review.

Project coverage is 3.31%. Comparing base (c6e20e5) to head (cd258a0). Report is 1 commits behind head on main.

Files with missing lines	Patch %	Lines
src/tui/state.rs	0.00%	4 Missing :warning:

Additional details and impacted files

```diff @@ Coverage Diff @@ ## main #91 +/- ## ======================================== - Coverage 3.31% 3.31% -0.00% ======================================== Files 19 19 Lines 2417 2419 +2 ======================================== Hits 80 80 - Misses 2337 2339 +2 ```

:umbrella: View full report in Codecov by Sentry.
:loudspeaker: Have feedback on the report? Share it here.