form: actually link to the my account page

forgot to do this before. shown on the success modal.

html/form-base.html

@@ -30,6 +30,7 @@
     window.reCAPTCHA = {{ .reCAPTCHA }};
     window.reCAPTCHASiteKey = "{{ .reCAPTCHASiteKey }}";
     window.userPageEnabled = {{ .userPageEnabled }};
+    window.userPageAddress = "{{ .userPageAddress }}";
 </script>
 {{ if .passwordReset }}
 <script src="js/pwr.js" type="module"></script>