[Editorial] Add CallFunctionResult alias (#1009)

* [Editorial] Add CallFunctionResult alias

* Update index.bs

Author: Lightning00Blade

index.bs

@@ -9918,7 +9918,8 @@ ScriptCommand = (
 ScriptResult = (
   script.AddPreloadScriptResult /
   script.EvaluateResult /
-  script.GetRealmsResult
+  script.GetRealmsResult /
+  script.CallFunctionResult
 )
 
 ScriptEvent = (
@@ -12060,9 +12061,9 @@ Note: In case of an arrow function in <code>functionDeclaration</code>, the
    </dd>
    <dt>Result Type</dt>
    <dd>
-    <code>
-      script.EvaluateResult
-    </code>
+    <pre class="cddl" data-cddl-module="local-cddl">
+      script.CallFunctionResult = script.EvaluateResult
+    </pre>
    </dd>
 </dl>