Add column class to keep proper alignment of forms

When translations interface is enabled we also want to keep
proper alignment between translatable and not translatable fields.

Co-Authored-By: alessandro <agileontheweb@gmail.com>

app/views/budgets/investments/_form.html.erb

@@ -2,7 +2,7 @@
 
   <%= render "shared/errors", resource: @investment %>
 
-  <div class="row">
+  <div class="row column">
     <div class="small-12 medium-8 column">
       <%= f.select :heading_id, budget_heading_select_options(@budget), {include_blank: true, } %>
     </div>

app/views/debates/_form.html.erb

@@ -4,8 +4,7 @@
 
   <%= render "shared/errors", resource: @debate %>
 
-  <div class="row">
-
+  <div class="row column">
     <%= f.translatable_fields do |translations_form| %>
       <div class="small-12 column">
         <%= translations_form.text_field :title,

app/views/proposals/_form.html.erb

@@ -4,7 +4,7 @@
 
   <%= render "shared/errors", resource: @proposal %>
 
-  <div class="row">
+  <div class="row column">
     <%= f.translatable_fields do |translations_form| %>
       <div class="small-12 column">
         <%= translations_form.text_field :title,