[FIX] unfuck editable o2m icon in last cell

bzr revid: xmo@openerp.com-20120628145719-vnbhicr1bxw9bwye

addons/web/static/src/css/base.css

@@ -2014,7 +2014,10 @@
   display: none;
 }
 .openerp .oe_form_field_one2many .oe_list .oe_list_edit_row_save {
-  background-image: url(/web/static/src/img/iconset-b-remove.png);
+  background: url(/web/static/src/img/iconset-b-remove.png) 50% 50% no-repeat;
+}
+.openerp .oe_form_field_one2many .oe_list .oe_list_edit_row_save:before {
+  visibility: hidden;
 }
 .openerp .oe_form_field_one2many > .oe_view_manager .oe_header_row_top {
   display: none;
@@ -2144,6 +2147,9 @@
 .openerp .oe_list_content .numeric input {
   text-align: right;
 }
+.openerp .oe_list_content .oe_list_edit_row_save:before {
+  content: "S";
+}
 .openerp .oe_trad_field.touched {
   border: 1px solid green !important;
 }

addons/web/static/src/css/base.sass

@@ -1590,7 +1590,9 @@ $colour4: #8a89ba
     .oe_form_field_one2many
         // TODO: oe_form_field_one2many_list?
         .oe_list .oe_list_edit_row_save
-            background-image: url(/web/static/src/img/iconset-b-remove.png)
+            background: url(/web/static/src/img/iconset-b-remove.png) 50% 50% no-repeat
+            &:before
+                visibility: hidden
 
         &> .oe_view_manager
             .oe_header_row_top
@@ -1685,6 +1687,8 @@ $colour4: #8a89ba
             width: 82px
             input
                 text-align: right
+        .oe_list_edit_row_save:before
+            content: "S"
     // }}}
     // Translation {{{
     .oe_trad_field.touched

addons/web/static/src/xml/base.xml

@@ -665,7 +665,7 @@
 
 <t t-name="ListView.row.save">
     <td>
-        <button class='oe_i oe_list_edit_row_save' type='button' name='save'>S</button>
+        <button class='oe_i oe_list_edit_row_save' type='button' name='save'/>
     </td>
 </t>