Fix IterativeBinarySearch implementation and resolve build issues

[AbhiramSakha]

📌 Description

Improved the IterativeBinarySearch implementation to ensure correctness, readability, and compliance with repository standards.

✅ Changes Made

• Fixed binary search logic to follow standard implementation
• Added null and empty array handling
• Improved variable naming (left, right, mid)
• Cleaned up formatting to satisfy clang-format
• Updated JavaDoc for better readability

🧪 Testing

• Verified with normal input arrays
• Tested edge cases (null and empty arrays)

📋 Checklist

• I have read CONTRIBUTING.md
• This pull request is all my own work
• Code follows Java naming conventions
• Code is properly formatted

[codecov-commenter]

Codecov Report

❌ Patch coverage is 90.00000% with 1 line in your changes missing coverage. Please review.
✅ Project coverage is 79.45%. Comparing base (2927595) to head (8a4e17b).

Files with missing lines	Patch %	Lines
.../thealgorithms/searches/IterativeBinarySearch.java	90.00%	0 Missing and 1 partial ⚠️

Additional details and impacted files

@@             Coverage Diff              @@
##             master    #7332      +/-   ##
============================================
- Coverage     79.45%   79.45%   -0.01%     
- Complexity     7082     7084       +2     
============================================
  Files           790      790              
  Lines         23161    23164       +3     
  Branches       4556     4556              
============================================
+ Hits          18403    18405       +2     
  Misses         4022     4022              
- Partials        736      737       +1     

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