TASK: 1、印花生成允许使用flux

2、修改sketch\print允许修改上传的元素
3、印花生成结果中添加level2Type

src/main/java/com/ai/da/model/dto/GenerateModifyDTO.java

@@ -28,7 +28,7 @@ public class GenerateModifyDTO {
     private Long originalId;
 
     @NotBlank(message = "original Id Source cannot be empty")
-    @ApiModelProperty(value = "原图id的来源", required = true)
+    @ApiModelProperty(value = "原图id的来源 Library  || Generate || Collection", required = true)
     private String originalIdSource;
 
     @NotNull(message = "isOverride cannot be empty")