app/views/dashboard/messages.html.erb
<% content_for :action_title, t("dashboard.menu.messages") %>
<%= link_to t("dashboard.messages.send_notification"),
new_proposal_notification_path(proposal_id: proposal.id), class: "button" %>
<%= link_to t("dashboard.messages.previous_notifications"),
proposal_path(proposal, anchor: "tab-notifications"), class: "button hollow" %>