Update the delivery email look & feel

Closes SCI-2884.

app/views/users/mailer/notification.html.erb

@@ -10,7 +10,8 @@
     <% # We assume the system notification is clean %>
     <%= @notification.title.html_safe %>
   <% elsif @notification.deliver? %>
-    <%= I18n.t("notifications.deliver.email_body").html_safe %>
+    <p><%= I18n.t("notifications.deliver.email_body_1") %></p>
+    <p><%= I18n.t("notifications.deliver.email_body_2") %></p>
   <% else %>
     <%= sanitize_input(prepend_server_url_to_links(@notification.title)) %>
   <% end %>
@@ -21,12 +22,9 @@
     <% # We assume the system notification is clean %>
     <%= @notification.message.html_safe %>
   <% elsif @notification.deliver? %>
-    <p>
-      <%= I18n.t("notifications.deliver.email_end_greeting").html_safe %>
-    </p>
-    <% # work around the problem with inserting the link of zipExport %>
-    <% zip_id = /data-id='(\d*)'/.match(@notification.message)[1] %>
     <%= I18n.t("notifications.deliver.download_link") %>
+    <% # work around the problem with inserting the link of zipExport %>
+    <% zip_id = /data-id=('|")(\d*)('|")/.match(@notification.message)[2] %>
     <%= @notification.message.gsub(/href='.+'/, "href='#{zip_exports_download_url(zip_id)}'").html_safe %>
   <% else %>
     <%= sanitize_input(prepend_server_url_to_links(@notification.message)) %>

config/locales/en.yml

@@ -1863,8 +1863,8 @@ en:
       download_link: "Download link:"
       download_text: "Click the link to download the file."
       email_subject: "Your SciNote export is ready!"
-      email_body: "<p>The export of SciNote project(s) that you requested is ready!</p><p>You can find the link to download the file below or in your SciNote notifications. Please keep in mind that the link will expire in 7 days for security reasons.</p>"
-      email_end_greeting: "<p>Best regards,</p><p>Your SciNote team</p>"
+      email_body_1: "The export of SciNote data that you requested is ready!"
+      email_body_2: "You can find the link to download the file below or in your SciNote notifications. Please keep in mind that the link will expire in 7 days for security reasons."
     show_all: "Show all notifications"
     show_more: "Show more notifications"
     no_notifications: "No notifications."

test/mailers/previews/app_mailer_preview.rb

@@ -69,6 +69,19 @@ class AppMailerPreview < ActionMailer::Preview
     )
   end
 
+  def delivery_notification
+    AppMailer.notification(
+      fake_user,
+      Notification.new(
+        type_of: :deliver,
+        title: 'Your requested export package is ready!',
+        message: '<a href="/zip_exports/download/1" target="_blank" ' \
+                 'data-id="1">export_YYYY-MM-DD_HH-mm-ss.zip</a>',
+        created_at: Time.now
+      )
+    )
+  end
+
   private
 
   def fake_user