Improve outreach compose, contact merge, and email assets.

Add a Quill email editor with DB-backed image storage, selectable PCM designs, postcard defaults for addressed contacts, and merge-by-phone/address on the contact form.

site/messaging/providers/email/smtp2go.py

@@ -6,7 +6,11 @@ from django.template.loader import get_template
 
 from contacts.models import Channel
 from messaging.services import one_click_unsubscribe_url, preferences_url
-from public.email_branding import email_brand_context, plain_text_to_email_html
+from public.email_branding import (
+    campaign_body_to_email_html,
+    campaign_body_to_plain_text,
+    email_brand_context,
+)
 
 # Reported back on SMTP2GO webhooks when this header is selected in webhook settings.
 MONICA_MESSAGE_HEADER = "X-Monica-Message-Id"
@@ -33,8 +37,8 @@ def send_email(message) -> str:
 
     ctx = email_brand_context(
         title=subject,
-        content=body,
-        content_html=plain_text_to_email_html(body),
+        content=campaign_body_to_plain_text(body),
+        content_html=campaign_body_to_email_html(body),
         prefs_url=prefs_url,
         one_click_url=one_click_url,
     )