allow to invite fewer submitters than in template

app/views/submissions/_detailed_form.html.erb

@@ -18,7 +18,7 @@
                 <% end %>
                 <input type="hidden" name="submission[1][submitters][][uuid]" value="<%= item['uuid'] %>">
                 <submitters-autocomplete data-field="name">
-                  <input type="text" name="submission[1][submitters][][name]" autocomplete="off" class="input input-sm input-bordered w-full" placeholder="Name" required value="<%= params[:selfsign] && index.zero? ? current_user.full_name : '' %>">
+                  <%= tag.input type: 'text', name: 'submission[1][submitters][][name]', autocomplete: 'off', class: 'input input-sm input-bordered w-full', placeholder: 'Name', required: index.zero?, value: params[:selfsign] && index.zero? ? current_user.full_name : '' %>
                 </submitters-autocomplete>
                 <div class="grid <%= 'md:grid-cols-2 gap-1' if template.submitters.size == 1 %>">
                   <submitters-autocomplete data-field="email">

app/views/submissions/_email_form.html.erb

@@ -25,7 +25,7 @@
                   </label>
                   <input type="hidden" name="submission[1][submitters][][uuid]" value="<%= item['uuid'] %>">
                   <submitters-autocomplete data-field="email">
-                    <input type="email" multiple name="submission[1][submitters][][email]" autocomplete="off" class="input input-sm input-bordered w-full" placeholder="Email" required value="<%= params[:selfsign] && index.zero? ? current_user.email : '' %>">
+                    <%= tag.input type: 'email', multiple: true, name: 'submission[1][submitters][][email]', autocomplete: 'off', class: 'input input-sm input-bordered w-full', placeholder: 'Email', required: index.zero?, value: params[:selfsign] && index.zero? ? current_user.email : '' %>
                   </submitters-autocomplete>
                 </submitter-item>
               <% end %>

app/views/submissions/_phone_form.html.erb

@@ -19,7 +19,7 @@
                   <% end %>
                   <input type="hidden" name="submission[1][submitters][][uuid]" value="<%= item['uuid'] %>">
                   <submitters-autocomplete data-field="phone">
-                    <input type="tel" pattern="^\+[0-9\s\-]+$" oninvalid="this.value ? this.setCustomValidity('Use internatioanl format: +1xxx...') : ''" oninput="this.setCustomValidity('')" name="submission[1][submitters][][phone]" autocomplete="off" class="input input-sm input-bordered w-full" placeholder="Phone" required>
+                    <%= tag.input type: 'tel', pattern: '^\+[0-9\s\-]+$', oninvalid: "this.value ? this.setCustomValidity('Use internatioanl format: +1xxx...') : ''", oninput: "this.setCustomValidity('')", name: 'submission[1][submitters][][phone]', autocomplete: 'off', class: 'input input-sm input-bordered w-full', placeholder: 'Phone', required: index.zero? %>
                   </submitters-autocomplete>
                   <% if template.submitters.size > 1 %>
                     <submitters-autocomplete data-field="name">

lib/submissions/create_from_submitters.rb

@@ -24,6 +24,7 @@ module Submissions
           uuid = find_submitter_uuid(template, submitter_attrs, index)
 
           next if uuid.blank?
+          next if submitter_attrs.slice('email', 'phone', 'name').compact_blank.blank?
 
           submission.template_submitters << template.submitters.find { |e| e['uuid'] == uuid }