fix:영업파트너 필터 너비 flex-1 제거

영업파트너 select가 남은 공간을 전부 채우던 문제 수정.

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

resources/views/finance/settlement/partials/commission/filters.blade.php

@@ -41,7 +41,7 @@
                 </select>
             </div>
 
-            <div class="w-[calc(50%-6px)] sm:w-auto sm:flex-1 sm:min-w-[120px]">
+            <div class="w-[calc(50%-6px)] sm:w-auto sm:min-w-[120px]">
                 <label class="block text-xs font-medium text-gray-500 mb-1">영업파트너</label>
                 <select name="partner_id" class="w-full rounded-lg border-gray-300 text-sm focus:border-emerald-500 focus:ring-emerald-500">
                     <option value="">전체</option>