Allow only JSON files in the file input. Avoids errors & is more helpful

Author: ipweblab

app/views/user_credentials/index.html.erb

@@ -64,7 +64,7 @@
               </div>
               <div class="modal-body">
                 <p><em>Upload a credentials file that you have previously exported from an ActiveWorkflow instance.</em></p>
-                <%= file_field_tag :file, class: 'form-control' %>
+                <%= file_field_tag :file, accept: 'application/json', class: 'form-control' %>
               </div>
               <div class="modal-footer">
                 <%= button_tag 'Cancel', class: 'btn btn-primary btn-sm', 'data-dismiss' => 'modal' %>

app/views/workflow_imports/_step_one.html.erb

@@ -14,7 +14,7 @@
   <div class="col-md-12">
     <div class="form-group">
       <pre>
-        <%= f.file_field :file, :class => 'form-control-file' %>
+        <%= f.file_field :file, accept: 'application/json', :class => 'form-control-file' %>
       </pre>
     </div>