FORMS-17789 Add DownloadDor as OOTB button in rule editor (#1611)

Co-authored-by: Vaibhav Varshney <vavarshn@adobe.com>

Author: vaibhav2601

ui.frontend/package-lock.json

@@ -28,6 +28,6 @@
     "@aemforms/af-core": "^0.22.129",
     "@aemforms/af-core-xfa": "^0.1.6",
     "@aemforms/af-formatters": "^0.22.129",
-    "@aemforms/af-custom-functions": "1.0.14"
+    "@aemforms/af-custom-functions": "1.0.15"
   }
 }

ui.frontend/package.json

@@ -39,14 +39,7 @@ export const customFunctions = {
      * @param {string} url - The URL to externalize.
      * @returns {string} - The externalized URL.
      */
-    externalize: (url) => {
-        // Check if Granite.HTTP.externalize is available, otherwise return the original URL
-        if (window?.Granite?.HTTP && typeof window.Granite.HTTP.externalize === "function") {
-            return window.Granite.HTTP.externalize(url);
-        } else {
-            return url;
-        }
-    },
+    externalize: cf.externalize,
 
     /**
      * Validates if the given URL is correct.
@@ -114,5 +107,16 @@ export const customFunctions = {
      *
      * @returns {number} - The number of days since the Unix epoch
      */
-    dateToDaysSinceEpoch: cf.dateToDaysSinceEpoch
+    dateToDaysSinceEpoch: cf.dateToDaysSinceEpoch,
+
+    /**
+     * Downloads the Document of Record (DoR) for the form.
+     *
+     * @param {string=} fileName - The name of the file to be downloaded. Defaults to "Downloaded_DoR.pdf" if 
+     *  not specified.
+     * @param {scope} globals - An object containing read-only form instance, read-only target field instance, 
+     *  and methods for form modifications.
+     * @returns {void}
+     */
+    downloadDoR: cf.downloadDoR,
 };