[fix](mulit-az) fix missing virtual CG to physical CG routing bug (#56678)

Author: luwei16

fe/fe-core/src/main/java/org/apache/doris/cloud/catalog/CloudReplica.java

@@ -215,7 +215,8 @@ private String getCurrentClusterId() throws ComputeGroupException {
         ConnectContext context = ConnectContext.get();
         if (context != null) {
             // TODO(wb) rethinking whether should update err status.
-            cluster = context.getCloudCluster();
+            cluster = ((CloudSystemInfoService) Env.getCurrentSystemInfo())
+                    .getPhysicalCluster(context.getCloudCluster());
 
             if (LOG.isDebugEnabled()) {
                 LOG.debug("get compute group by context {}", cluster);

regression-test/suites/cloud_p0/multi_cluster/virtual_compute_group/default_vcg_auto_failover.groovy

@@ -73,6 +73,7 @@ suite('default_vcg_auto_failover', 'multi_cluster,docker') {
             cluster.addBackend(2, clusterName2)
 
             // add vcluster
+            def instance_id = "default_instance_id"
             def normalVclusterName = "normalVirtualClusterName"
             def normalVclusterId = "normalVirtualClusterId"
             def vcgClusterNames = [clusterName1, clusterName2]

regression-test/suites/cloud_p0/multi_cluster/virtual_compute_group/load_trigger_failover.groovy

@@ -71,6 +71,7 @@ suite('load_trigger_failover', 'multi_cluster,docker') {
             cluster.addBackend(1, clusterName2)
 
             // add vcluster
+            def instance_id = "default_instance_id"
             def normalVclusterName = "normalVirtualClusterName"
             def normalVclusterId = "normalVirtualClusterId"
             def vcgClusterNames = [clusterName1, clusterName2]

regression-test/suites/cloud_p0/multi_cluster/virtual_compute_group/standby_disable_compaction.groovy

@@ -66,6 +66,7 @@ suite('standby_disable_compaction', 'multi_cluster,docker') {
             cluster.addBackend(2, clusterName2)
 
             // add vcluster
+            def instance_id = "default_instance_id"
             def normalVclusterName = "a_normalVirtualClusterName"
             def normalVclusterId = "normalVirtualClusterId"
             def vcgClusterNames = [clusterName1, clusterName2]

regression-test/suites/cloud_p0/multi_cluster/virtual_compute_group/use_default_vcg_read_write.groovy

@@ -72,6 +72,7 @@ suite('use_default_vcg_read_write', 'multi_cluster,docker') {
             cluster.addBackend(2, clusterName2)
 
             // add vcluster
+            def instance_id = "default_instance_id"
             def normalVclusterName = "normalVirtualClusterName"
             def normalVclusterId = "normalVirtualClusterId"
             def vcgClusterNames = [clusterName1, clusterName2]

regression-test/suites/cloud_p0/multi_cluster/virtual_compute_group/use_vcg_read_write.groovy

@@ -72,6 +72,7 @@ suite('use_vcg_read_write', 'multi_cluster,docker') {
             cluster.addBackend(2, clusterName2)
 
             // add vcluster
+            def instance_id = "default_instance_id"
             def normalVclusterName = "normalVirtualClusterName"
             def normalVclusterId = "normalVirtualClusterId"
             def vcgClusterNames = [clusterName1, clusterName2]

regression-test/suites/cloud_p0/multi_cluster/virtual_compute_group/use_vcg_read_write_routine_load.groovy

@@ -157,6 +157,7 @@ suite('use_vcg_read_write_routine_load', 'multi_cluster,docker') {
             cluster.addBackend(2, clusterName2)
 
             // add vcluster
+            def instance_id = "default_instance_id"
             def normalVclusterName = "normalVirtualClusterName"
             def normalVclusterId = "normalVirtualClusterId"
             def vcgClusterNames = [clusterName1, clusterName2]

regression-test/suites/cloud_p0/multi_cluster/virtual_compute_group/use_vcg_read_write_s3_load.groovy

@@ -130,6 +130,7 @@ suite('use_vcg_read_write_s3_load', 'multi_cluster,docker') {
             cluster.addBackend(2, clusterName2)
 
             // add vcluster
+            def instance_id = "default_instance_id"
             def normalVclusterName = "normalVirtualClusterName"
             def normalVclusterId = "normalVirtualClusterId"
             def vcgClusterNames = [clusterName1, clusterName2]

regression-test/suites/cloud_p0/multi_cluster/virtual_compute_group/use_vcg_read_write_unhealthy_node_50.groovy

@@ -72,6 +72,7 @@ suite('use_vcg_read_write_unhealthy_node_50', 'multi_cluster,docker') {
             cluster.addBackend(2, clusterName2)
 
             // add vcluster
+            def instance_id = "default_instance_id"
             def normalVclusterName = "normalVirtualClusterName"
             def normalVclusterId = "normalVirtualClusterId"
             def vcgClusterNames = [clusterName1, clusterName2]

regression-test/suites/cloud_p0/multi_cluster/virtual_compute_group/vcg_auto_failover.groovy

@@ -73,6 +73,7 @@ suite('vcg_auto_failover', 'multi_cluster,docker') {
             cluster.addBackend(2, clusterName2)
 
             // add vcluster
+            def instance_id = "default_instance_id"
             def normalVclusterName = "normalVirtualClusterName"
             def normalVclusterId = "normalVirtualClusterId"
             def vcgClusterNames = [clusterName1, clusterName2]