Attachment URLs not working for non-primary gmail accounts (KartikTalwar#577)

* Attachment URLs not working for non-primary gmail accounts

Author: ek23

src/gmail.js

@@ -1238,7 +1238,7 @@ var Gmail = function(localJQuery) {
                     attachment_id: item["1"]["2"],
                     name: data["3"],
                     type: data["4"],
-                    url: data["2"],
+                    url: api.tools.check_fd_attachment_url(data["2"]),
                     size: Number.parseInt(data["5"])
                 });
             }
@@ -1247,6 +1247,15 @@ var Gmail = function(localJQuery) {
         return res;
     };
 
+    api.tools.check_fd_attachment_url = function(url) {
+        var userAccountUrlPart = api.tracker.globals[7];
+        if (url && userAccountUrlPart && url.indexOf(userAccountUrlPart) < 0) {
+            url = url.replace('/mail/?', userAccountUrlPart + '?');
+        }
+
+        return url;
+    };
+
     api.tools.parse_fd_request_html_payload = function(fd_email) {
         let fd_email_content_html = null;
         try {