fix: ensure host URLs are properly formatted by stripping trailing slashes

Author: pcrespov

packages/notifications-library/src/notifications_library/templates/on_account_requested.email.content.html

@@ -1,14 +1,14 @@
 {% extends 'base.html' %}
 {% block title %} {% include 'on_account_requested.email.subject.txt' %} {% endblock %}
 {% block content %}
-<p>Dear Support team
+<p>Dear Support team</p>
 
 <p>
   We have received the following request form for an account in :
 <ol>
   <li>Product: <b>{{ product.display_name }}</b></li>
-  <li>Host: <b>{{ host }}</b></li>
-  <li>PO center: <b>https://{{host}}/#/review-users</b></li>
+  <li>Host: <b>{{ host|rstrip('/') }}</b></li>
+  <li>PO center: <b>https://{{ host|rstrip('/') }}/#/review-users</b></li>
 </ol>
 </p>
 

packages/notifications-library/src/notifications_library/templates/on_account_requested.email.content.txt

@@ -2,8 +2,8 @@ Dear Support team,
 
 We have received the following request form for an account in :
 - Product: **{{ product.display_name }}**
-- Host: **{{ host }}**
-- PO center: https://{{host}}/#/review-users
+- Host: **{{ host|rstrip('/') }}**
+- PO center: https://{{ host|rstrip('/') }}/#/review-users
 {{ dumps(request_form) }}
 
 Some details about the requested product follow:

services/web/server/src/simcore_service_webserver/templates/common/request_account.jinja2

@@ -1,7 +1,7 @@
-Request for an Account in {{ host }}
+Request for an Account in {{ host|rstrip('/') }}
 <!--
 NOTE: this header is only for testing purposes and removed automatically before sending
-TEST host:{{ host }}
+TEST host:{{ host|rstrip('/') }}
 TEST name:{{ name }}
 TEST product:{{ product }}
 TEST request_form:{{ request_form }}
@@ -14,8 +14,8 @@ Dear {{ name }},
   We have received the following request form for an account in :
 <ol>
   <li>Product: <b>{{ product.display_name }}</b></li>
-  <li>Host: <b>{{ host }}</b></li>
-  <li>PO center: <b>https://{{host}}/#/review-users</b></li>
+  <li>Host: <b>{{ host|rstrip('/') }}</b></li>
+  <li>PO center: <b>https://{{ host|rstrip('/') }}/#/review-users</b></li>
 </ol>
 </p>