tdf#163347 Restore options chart colors page color column for gtk3

The surface attribute for the cell renderer pixbuf in column 1 of the
chart colors tree view needs to be set to 0 for gtk3 to show the color
column. It got bonked when resaving with a newer version of glade in
commit
7eb0e13c65

Change-Id: I1ab322b9f54bd6dd07de5a484ca77917e5be2d33
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/182551
Reviewed-by: Jim Raykowski <raykowj@gmail.com>
Tested-by: Jenkins

cui/uiconfig/ui/optchartcolorspage.ui

@@ -54,6 +54,9 @@
                   <object class="GtkTreeViewColumn" id="treeviewcolumn1">
                     <child>
                       <object class="GtkCellRendererPixbuf" id="cellrenderertext1"/>
+                      <attributes>
+                        <attribute name="surface">0</attribute>
+                      </attributes>
                     </child>
                   </object>
                 </child>