fix:거래처 드롭다운을 공급받는자명 위치에 직접 배치

- 별도 "거래처 검색" 줄 제거
- 공급받는자명/공급자명 텍스트 input을 드롭다운으로 교체
- 드롭다운 안에 거래처 추가 버튼 포함

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

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

@@ -1755,26 +1755,15 @@ className="px-3 py-1.5 bg-violet-100 text-violet-700 rounded-lg text-xs font-med
                                     </button>
                                 )}
                             </div>
-                            {/* 거래처 드롭다운 선택 */}
-                            <div>
-                                <label className="block text-xs text-stone-500 mb-1">거래처 검색</label>
-                                <HometaxTradingPartnerSelect
-                                    value={selectedPartnerId}
-                                    valueName={selectedPartnerName}
-                                    onChange={handlePartnerSelect}
-                                    tradingPartners={tradingPartners || []}
-                                    onAddPartner={onAddPartner}
-                                />
-                            </div>
                             <div className="grid grid-cols-2 gap-3">
                                 <div>
                                     <label className="block text-xs text-stone-500 mb-1">{isSales ? '공급받는자명' : '공급자명'} *</label>
-                                    <input
-                                        type="text"
-                                        value={isSales ? form.invoicee_corp_name : form.invoicer_corp_name}
-                                        onChange={(e) => handleChange(isSales ? 'invoicee_corp_name' : 'invoicer_corp_name', e.target.value)}
-                                        className="w-full px-3 py-2 border border-stone-300 rounded-lg text-sm focus:ring-2 focus:ring-violet-500 focus:border-violet-500 outline-none"
-                                        placeholder="거래처명"
+                                    <HometaxTradingPartnerSelect
+                                        value={selectedPartnerId}
+                                        valueName={isSales ? form.invoicee_corp_name : form.invoicer_corp_name}
+                                        onChange={handlePartnerSelect}
+                                        tradingPartners={tradingPartners || []}
+                                        onAddPartner={onAddPartner}
                                     />
                                 </div>
                                 <div>