Fix copyOf used by the taskHanlder

Author: Yufei Gu

polaris-core/src/main/java/org/apache/polaris/core/PolarisCallContext.java

@@ -90,14 +90,6 @@ public PolarisCallContext(
     this.clock = Clock.system(ZoneId.systemDefault());
   }
 
-  public static PolarisCallContext copyOf(PolarisCallContext original) {
-    return new PolarisCallContext(
-        original.getMetaStore().detach(),
-        original.getDiagServices(),
-        original.getConfigurationStore(),
-        original.getClock());
-  }
-
   public BasePersistence getMetaStore() {
     return metaStore;
   }

polaris-core/src/main/java/org/apache/polaris/core/context/CallContext.java

@@ -69,7 +69,15 @@ public PolarisCallContext getPolarisCallContext() {
   static CallContext copyOf(CallContext base) {
     String realmId = base.getRealmContext().getRealmIdentifier();
     RealmContext realmContext = () -> realmId;
-    PolarisCallContext polarisCallContext = PolarisCallContext.copyOf(base.getPolarisCallContext());
+    PolarisCallContext originalPolarisCallContext = base.getPolarisCallContext();
+    PolarisCallContext newPolarisCallContext =
+        new PolarisCallContext(
+            realmContext,
+            originalPolarisCallContext.getMetaStore(),
+            originalPolarisCallContext.getDiagServices(),
+            originalPolarisCallContext.getConfigurationStore(),
+            originalPolarisCallContext.getClock());
+
     return new CallContext() {
       @Override
       public RealmContext getRealmContext() {
@@ -78,7 +86,7 @@ public RealmContext getRealmContext() {
 
       @Override
       public PolarisCallContext getPolarisCallContext() {
-        return polarisCallContext;
+        return newPolarisCallContext;
       }
     };
   }