Added appId to the list of html tags to be escaped

Author: Microsoft Graph DevX Tooling

scripts/EscapeDisallowedHtmlTags.ps1

@@ -183,7 +183,8 @@ function Update-SpecificStrings {
     $s.Add("3", "<at id='{index}'>") 
     $s.Add("4", "<application-client-id>")
     $s.Add("5", "<data-id>")
-    $s.Add("6", "<id>") 
+    $s.Add("6", "<id>")
+    $s.Add("7", "<appId>") 
     try {
         $s.Values | ForEach-Object {  
             $string = $_