Bring back trigger showing first dashboard launch banner (#6168)

* Bring back trigger showing first dashboard launch banner

* Use CSS class instead of onclick event

Author: zoldar

lib/plausible_web/components/first_dashboard_launch_banner.ex

@@ -29,8 +29,8 @@ defmodule PlausibleWeb.Components.FirstDashboardLaunchBanner do
       x-init={x_init(@site)}
     >
       <.styled_link
+        class="plausible-event-name=Weekly+Email+Note+Click"
         href={Routes.site_path(PlausibleWeb.Endpoint, :settings_email_reports, @site.domain)}
-        onclick="plausible('Weekly Email Note Click')"
       >
         Get weekly traffic summaries by email →
       </.styled_link>

lib/plausible_web/live/installation.ex

@@ -84,6 +84,7 @@ defmodule PlausibleWeb.Live.Installation do
     {:ok,
      assign(socket,
        site: site,
+       site_created?: params["site_created"] == "true",
        flow: flow
      )}
   end
@@ -105,6 +106,7 @@ defmodule PlausibleWeb.Live.Installation do
   def render(assigns) do
     ~H"""
     <div>
+      <PlausibleWeb.Components.FirstDashboardLaunchBanner.set :if={@site_created?} site={@site} />
       <PlausibleWeb.Components.FlowProgress.render flow={@flow} current_step="Install Plausible" />
 
       <.focus_box>