fix:공제 선택 필드 너비 및 패딩 조정

- 고정 너비 w-[100px] 적용
- 오른쪽 패딩 추가 (pr-8) - 드롭다운 화살표 공간 확보
- 좌우 패딩 증가 (px-4)

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

resources/views/barobill/ecard/index.blade.php

@@ -648,7 +648,7 @@ className="p-1.5 text-purple-500 hover:bg-purple-100 rounded-lg transition-color
                                                     <select
                                                         value={log.deductionType || (log.merchantBizNum ? 'deductible' : 'non_deductible')}
                                                         onChange={(e) => onFieldChange(index, 'deductionType', e.target.value)}
-                                                        className={`px-3 py-1.5 rounded text-sm font-bold border-0 cursor-pointer min-w-[140px] ${
+                                                        className={`px-4 py-1.5 pr-8 rounded text-sm font-bold border-0 cursor-pointer w-[100px] ${
                                                             (log.deductionType || (log.merchantBizNum ? 'deductible' : 'non_deductible')) === 'deductible'
                                                                 ? 'bg-green-100 text-green-700'
                                                                 : 'bg-red-500 text-white'