refactor(FileService): 운영진 디렉토리 체크 로직 작성

Author: SongJaeHoonn

src/main/java/page/clab/api/global/common/file/application/FileService.java

@@ -172,6 +172,9 @@ public String buildPath(String baseDirectory, Long... additionalSegments) {
         for (Long segment : additionalSegments) {
             pathBuilder.append(File.separator).append(segment);
         }
+        if (checkExecutivesDirectory(baseDirectory)) {
+            return pathBuilder.toString();
+        }
         pathBuilder.append(File.separator).append(currentMemberId);
         return pathBuilder.toString();
     }
@@ -196,6 +199,10 @@ public void validatePathVariable(String path) throws InvalidPathVariableExceptio
         }
     }
 
+    private boolean checkExecutivesDirectory(String baseDirectory) {
+        return baseDirectory.equals("executives");
+    }
+
     private void validateNoticePath(String[] pathParts) throws InvalidPathVariableException, PermissionDeniedException {
         Long activityGroupId = parseId(pathParts[1], "활동 ID가 유효하지 않습니다.");
         String memberId = externalRetrieveMemberUseCase.getCurrentMemberId();