fix get dledger mod storepath (#9746)

Co-authored-by: 赵 <zhaoze@harmonycloud.cn>

store/src/main/java/org/apache/rocketmq/store/DefaultMessageStore.java

diff --git a/store/src/main/java/org/apache/rocketmq/store/DefaultMessageStore.java b/store/src/main/java/org/apache/rocketmq/store/DefaultMessageStore.java
index de30d24..7d939a9 100644
--- a/store/src/main/java/org/apache/rocketmq/store/DefaultMessageStore.java
+++ b/store/src/main/java/org/apache/rocketmq/store/DefaultMessageStore.java
@@ -2241,7 +2241,7 @@
         private boolean isSpaceToDelete() {
             cleanImmediately = false;
 
-            String commitLogStorePath = DefaultMessageStore.this.getMessageStoreConfig().getStorePathCommitLog();
+            String commitLogStorePath = DefaultMessageStore.this.getStorePathPhysic();
             String[] storePaths = commitLogStorePath.trim().split(MixAll.MULTI_PATH_SPLITTER);
             Set<String> fullStorePath = new HashSet<>();
             double minPhysicRatio = 100;