TASK: 保存画布时返回画布id

BUGFIX: 用户输入的prompt没有传入flux

src/main/java/com/ai/da/controller/SavedCollectionController.java

@@ -178,7 +178,7 @@ public class SavedCollectionController {
 
     @ApiOperation(value = "exportSave")
     @PostMapping("/exportSave")
-    public Response<Boolean> exportSave(@RequestParam("file") MultipartFile file, @RequestParam(value = "projectId", required = false) Long projectId,
+    public Response<Long> exportSave(@RequestParam("file") MultipartFile file, @RequestParam(value = "projectId", required = false) Long projectId,
                                         @RequestParam("module") String module, @RequestParam(value = "designItemDetailId", required = false) Long designItemDetailId) {
         return Response.success(userLikeGroupService.exportSave(file, projectId, module, designItemDetailId));
     }