<%= f.hidden_field :promoter_id -%>
<button type="button" class="btn btn-default" data-toggle="modal" data-target="#event_promoter_select_modal">
  <span class="glyphicon glyphicon-user"></span>
  <span id="event_promoter_name"><%= @event.promoter&.name %></span>
</button>

<%= render partial: "modals/select", locals: { target: "event_promoter" } %>

<%= f.hidden_field :promoter_id -%>
<button type="button" class="btn btn-default" data-toggle="modal" data-target="#event_promoter_select_modal">
  <span class="glyphicon glyphicon-user"></span>
  <span id="event_promoter_name"><%= @event.promoter&.name %></span>
</button>

Move modal partial out of form
Move modal partial out of form
