Added translations

Author: OstafinL

src/bundle/Resources/translations/ibexa_matrix_fieldtype.en.xliff

@@ -26,6 +26,11 @@
         <target state="new">Delete</target>
         <note>key: field.column.delete</note>
       </trans-unit>
+      <trans-unit id="5e712908b00d328e0ae52c2b063ea2186335e029" resname="field.column.error.quantity">
+        <source>At least one column is required for matrix field.</source>
+        <target state="new">At least one column is required for matrix field.</target>
+        <note>key: field.column.error.quantity</note>
+      </trans-unit>
       <trans-unit id="fa41ae6cab6d74c6548f4052c02c0c5129a27f1d" resname="field.column.identifier">
         <source>Identifier</source>
         <target state="new">Identifier</target>

src/bundle/Resources/views/themes/admin/matrix_fieldtype/field_types.html.twig

@@ -33,7 +33,9 @@
 
         {{ form_label(form.columns, null, { 'label_attr': { 'class': 'ibexa-label' } }) }}
         {{ form_errors(form.columns) }}
+
         {% set body_rows = [] %}
+
         {% for column in form.columns %}
             {% set col_checkbox %}
                 <div class="form-check">
@@ -97,7 +99,7 @@
                 <svg class="ibexa-icon ibexa-icon--small ibexa-form-error__icon">
                     <use xlink:href="{{ ibexa_icon_path('notice') }}"></use>
                 </svg>
-                At least one column is required for matrix field.
+                {{ 'field.column.error.quantity'|trans|desc('At least one column is required for matrix field.') }}
             </em>
         </div>
     </div>