tdf#141191 use plain GtkComboBoxText for standard case

Change-Id: I0afa3c59737eb44a8775f2958ebf2fc813b23af9
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/112979
Tested-by: Jenkins
Reviewed-by: Caolán McNamara <caolanm@redhat.com>
diff --git a/chart2/uiconfig/ui/tp_Trendline.ui b/chart2/uiconfig/ui/tp_Trendline.ui
index 9b16231..af630ba 100644
--- a/chart2/uiconfig/ui/tp_Trendline.ui
+++ b/chart2/uiconfig/ui/tp_Trendline.ui
@@ -332,10 +332,14 @@
              </packing>
            </child>
            <child>
              <object class="GtkComboBox" id="combo_moving_type">
              <object class="GtkComboBoxText" id="combo_moving_type">
                <property name="visible">True</property>
                <property name="can-focus">False</property>
                <property name="model">liststore_moving_type</property>
                <items>
                  <item translatable="yes" context="tp_Trendline|liststore_moving_type">Prior</item>
                  <item translatable="yes" context="tp_Trendline|liststore_moving_type">Central</item>
                  <item translatable="yes" context="tp_Trendline|liststore_moving_type">Averaged Abscissa</item>
                </items>
              </object>
              <packing>
                <property name="left-attach">2</property>
@@ -698,21 +702,4 @@
    <property name="step-increment">1</property>
    <property name="page-increment">10</property>
  </object>
  <object class="GtkListStore" id="liststore_moving_type">
    <columns>
      <!-- column-name moving_type -->
      <column type="gchararray"/>
    </columns>
    <data>
      <row>
        <col id="0" translatable="yes" context="tp_Trendline|liststore_moving_type">Prior</col>
      </row>
      <row>
        <col id="0" translatable="yes" context="tp_Trendline|liststore_moving_type">Central</col>
      </row>
      <row>
        <col id="0" translatable="yes" context="tp_Trendline|liststore_moving_type">Averaged Abscissa</col>
      </row>
    </data>
  </object>
</interface>