[bug](cooldown)add config for Cooldown Job

Author: pengxiangyu

fe/fe-core/src/main/java/org/apache/doris/cooldown/CooldownHandler.java

@@ -136,18 +136,22 @@ protected void runAfterCatalogReady() {
     }
 
     public void write(DataOutput out) throws IOException {
-        out.writeInt(runableCooldownJobs.size());
-        for (CooldownJob cooldownJob : runableCooldownJobs.values()) {
-            cooldownJob.write(out);
+        if (Config.cooldown_single_remote_file) {
+            out.writeInt(runableCooldownJobs.size());
+            for (CooldownJob cooldownJob : runableCooldownJobs.values()) {
+                cooldownJob.write(out);
+            }
         }
     }
 
     public void readField(DataInput in) throws IOException {
-        if (Env.getCurrentEnvJournalVersion() >= FeMetaVersion.VERSION_115) {
-            int size = in.readInt();
-            for (int i = 0; i < size; i++) {
-                CooldownJob cooldownJob = CooldownJob.read(in);
-                replayCooldownJob(cooldownJob);
+        if (Config.cooldown_single_remote_file) {
+            if (Env.getCurrentEnvJournalVersion() >= FeMetaVersion.VERSION_115) {
+                int size = in.readInt();
+                for (int i = 0; i < size; i++) {
+                    CooldownJob cooldownJob = CooldownJob.read(in);
+                    replayCooldownJob(cooldownJob);
+                }
             }
         }
     }

fe/fe-core/src/main/java/org/apache/doris/persist/EditLog.java

@@ -721,8 +721,10 @@ public static void loadJournal(Env env, JournalEntity journal) {
                     break;
                 }
                 case OperationType.OP_PUSH_COOLDOWN_CONF:
-                    CooldownJob cooldownJob = (CooldownJob) journal.getData();
-                    env.getCooldownHandler().replayCooldownJob(cooldownJob);
+                    if (Config.cooldown_single_remote_file) {
+                        CooldownJob cooldownJob = (CooldownJob) journal.getData();
+                        env.getCooldownHandler().replayCooldownJob(cooldownJob);
+                    }
                     break;
                 case OperationType.OP_BATCH_ADD_ROLLUP: {
                     BatchAlterJobPersistInfo batchAlterJobV2 = (BatchAlterJobPersistInfo) journal.getData();