[GLUTEN-12058][VL] Skip stage ResourceProfile adjustment rule when off-heap memory is disabled (#12060)

Author: wForget

docs/get-started/VeloxStageResourceAdj.md

@@ -20,7 +20,11 @@ To address this issue, Apache Gluten introduces a stage-level resource auto-adju
    ```properties  
    spark.dynamicAllocation.enabled=true  
    ```  
-3. **Resource Scheduler Compatibility**:  
+3. ** Enable Off-Heap Memory**:
+   ```properties  
+   spark.memory.offHeap.enabled=true
+   ```
+4. **Resource Scheduler Compatibility**:  
    Ensure the underlying cluster resource manager (e.g., YARN, Kubernetes) supports dynamic resource allocation.
 
 ### **Key Configurations**

gluten-substrait/src/main/scala/org/apache/spark/sql/execution/GlutenAutoAdjustStageResourceProfile.scala

@@ -58,6 +58,9 @@ case class GlutenAutoAdjustStageResourceProfile(glutenConf: GlutenConfig, spark:
     if (!SQLConf.get.adaptiveExecutionEnabled) {
       return plan
     }
+    if (!sparkConf.getBoolean(GlutenCoreConfig.SPARK_OFFHEAP_ENABLED_KEY, defaultValue = false)) {
+      return plan
+    }
     // Starting here, the resource profile may differ between stages. Configure resource settings
     // using the default profile to prevent any impact from the previous stage. If a new resource
     // profile is applied, the settings will be updated accordingly.