Only when the live test is triggered by scheduled run, the result data will be saved to Kusto (#21508)

Author: vidai-msft

.azure-pipelines/util/live-test-steps.yml

@@ -123,7 +123,7 @@ jobs:
 
   - task: PowerShell@2
     displayName: Save live test results to Kusto
-    condition: succeededOrFailed()
+    condition: and(succeededOrFailed(), eq(variables['Build.Reason'], 'Schedule'))
     inputs:
       pwsh: true
       targetType: filePath