Merge pull request #77 from team-JMT/hotfix/fixApiResponse

[fix] : 그룹 검색 결과가 없을 때 빈 리스트 반환

src/main/java/com/gdsc/jmt/domain/group/command/service/GroupService.java

@@ -219,7 +219,8 @@ public void userSelectGroup(Long groupId, UserInfo user) {
     public FindGroupResponse searchByGroupName(String keyword, Pageable pageable) {
         Page<GroupEntity> result = groupRepository.findByGroupName(keyword, pageable);
         if(result.isEmpty()) {
-            throw new ApiException(GroupMessage.GROUP_NOT_FOUND);
+            Page<GroupEntity> page = Page.empty();
+            return new FindGroupResponse(List.of(), new PageResponse(page));
         }
         PageResponse pageResponse = new PageResponse(result);
         return new FindGroupResponse(