(AzureCXP) fixes MicrosoftDocs/azure-docs#51421

Image for https probes is not displayed. Fixed it

Author: msrini-MSFT

articles/application-gateway/self-signed-certificates.md

@@ -261,8 +261,7 @@ Set-AzApplicationGateway -ApplicationGateway $gw
 
 1. Click the **Backend Health** view of your application gateway to check if the probe is healthy.
 1.    You should see that the Status is **Healthy** for the HTTPS probe.
-
-    ![HTTPS probe](media/self-signed-certificates/https-probe.png)
+      ![HTTPS probe](media/self-signed-certificates/https-probe.png)
 
 ## Next steps