feat(hudi-query): 增加判断压缩计划是否存在的方法

service-forest/src/main/java/com/lanyuanxiaoyao/service/forest/service/HudiService.java

@@ -47,6 +47,9 @@ public interface HudiService {
     @Get("/timeline/list_pending_compaction")
     ImmutableList<HudiInstant> timelinePendingCompactionList(@Query("flink_job_id") Long flinkJobId, @Query("alias") String alias);
 
+    @Get("/timeline/exists_compaction_plan")
+    Boolean existsCompactionPlan(@Query("flink_job_id") Long flinkJobId, @Query("alias") String alias);
+
     @Get("/table/schema")
     ImmutableMap<String, Object> schema(@Query("flink_job_id") Long flinkJobId, @Query("alias") String alias);