Fix email template title (#287)

* chore(tests): add beautiful soup for tests

* test: ensure subject is passed through

* feat(email template): pass subject through to be used in markup

* chore: formatting

* chore: mypy ignore

* test(template_types): fix failing test

* chore: bump version and waffles dep

Author: andrewleith

.github/actions/waffles/requirements.txt

@@ -1,4 +1,4 @@
 docopt==0.6.2
 Flask==2.3.3
 markupsafe==2.1.4
-git+https://github.com/cds-snc/notifier-utils.git@52.1.6#egg=notifications-utils
+git+https://github.com/cds-snc/notifier-utils.git@52.1.7#egg=notifications-utils

notifications_utils/jinja_templates/email/email_template.jinja2

@@ -6,7 +6,7 @@
   <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
   <meta content="telephone=no" name="format-detection" /> <!-- need to add formatting for real phone numbers -->
   <meta name="viewport" content="width=device-width" />
-  <title>Page title</title>
+  <title>{{ subject }}</title>
 
   <style type="text/css">
     @media only screen and (min-device-width: 581px) {

notifications_utils/template.py

@@ -402,6 +402,7 @@ def preheader(self):
     def __str__(self):
         return self.jinja_template.render(
             {
+                "subject": self.subject,
                 "body": get_html_email_body(self.content, self.values, html="passthrough" if self.allow_html else "escape"),
                 "preheader": self.preheader,
                 "fip_banner_english": self.fip_banner_english,