fix: Panic in color.Trim()

[liamg]

Resolves #89

If the new maximum available length is larger than required to support the input after taking into account ANSI escapes, just return the input as is.

[codecov]

Codecov Report

❌ Patch coverage is 0% with 2 lines in your changes missing coverage. Please review.
✅ Project coverage is 33.13%. Comparing base (1a194fa) to head (ae43819).
⚠️ Report is 13 commits behind head on master.

Files with missing lines	Patch %	Lines
internal/color/color.go	0.00%	2 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##           master      #90      +/-   ##
==========================================
- Coverage   34.31%   33.13%   -1.18%     
==========================================
  Files          57       57              
  Lines       12620     9085    -3535     
==========================================
- Hits         4330     3010    -1320     
+ Misses       8252     6037    -2215     
  Partials       38       38              

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