[IMP] survey: add fa-pen icon to sections in question ListView

This commit adds an icon on hover of sections inside the questions ListView
to indicate more clearly to the user that they can edit these lines.

task-2988062

closes odoo/odoo#108731

Signed-off-by: Thibault Delavallee (tde) <tde@openerp.com>

addons/survey/static/src/question_page/description_page_field.xml

@@ -12,6 +12,11 @@
                 </div>
             </t>
         </xpath>
+        <xpath expr="//span[@t-esc='formattedValue']" position="after">
+            <t t-if="props.record.data.is_page">
+                <i class="fa fa-fw o_button_icon fa-pencil"/>
+            </t>
+        </xpath>
     </t>
 
 </templates>

addons/survey/static/src/scss/survey_survey_views.scss

@@ -142,6 +142,14 @@
         background: transparent;
     }
 }
+.o_survey_form table.o_section_list_view tr.o_data_row.o_is_section {
+    &:hover i {
+        visibility: visible;
+    }
+    &:not(:hover) i {
+        visibility: hidden;
+    }
+}
 
 // TOOLS
 .icon_rotates {