fix(缺陷管理): 新增缺陷时预览关联的图片失败

--bug=1044331 --user=宋昌昌 【缺陷管理】创建缺陷-关联图片文件-预览失败 https://www.tapd.cn/55049933/s/1552698

backend/services/bug-management/src/main/java/io/metersphere/bug/dto/request/BugFileSourceRequest.java

@@ -9,8 +9,7 @@ import java.io.Serializable;
 @Data
 public class BugFileSourceRequest implements Serializable {
 
-    @Schema(description = "缺陷ID", requiredMode = Schema.RequiredMode.REQUIRED)
-    @NotBlank(message = "{bug.id.not_blank}")
+    @Schema(description = "缺陷ID")
     private String bugId;
 
     @Schema(description = "项目ID", requiredMode = Schema.RequiredMode.REQUIRED)