Update storage account step 2 in create-postgresql-ha.md

Changed the order of executing so the variable $STORAGE_ACCOUNT_PRIMARY_RESOURCE_ID is defined before executing with the <az role assignment list> command

Author: colinmixonn

articles/aks/create-postgresql-ha.md

@@ -153,15 +153,15 @@ The CNPG operator automatically generates a service account called *postgres* th
     > If you encounter the error message: `The request may be blocked by network rules of storage account. Please check network rule set using 'az storage account show -n accountname --query networkRuleSet'. If you want to change the default action to apply when no rule matches, please use 'az storage account update'`. Please verify user permissions for Azure Blob Storage and, if **necessary**, elevate your role to `Storage Blob Data Owner` using the commands provided below and after retry the [`az storage container create`][az-storage-container-create] command.
 
     ```bash
-    az role assignment list --scope $STORAGE_ACCOUNT_PRIMARY_RESOURCE_ID --output table
-
     export USER_ID=$(az ad signed-in-user show --query id --output tsv)
 
     export STORAGE_ACCOUNT_PRIMARY_RESOURCE_ID=$(az storage account show \
         --name $PG_PRIMARY_STORAGE_ACCOUNT_NAME \
         --resource-group $RESOURCE_GROUP_NAME \
         --query "id" \
         --output tsv)
+    
+    az role assignment list --scope $STORAGE_ACCOUNT_PRIMARY_RESOURCE_ID --output table
 
     az role assignment create \
         --assignee-object-id $USER_ID \