EXT-7905 FIX xml fix

reviewed by Mike Antipov at https://codereview.productengine.com/secondlife/r/632/

--HG--
branch : product-engine

indra/newview/skins/default/xui/en/panel_group_info_sidetray.xml

@@ -96,6 +96,7 @@ background_visible="true"
        follows="all"
        layout="topleft"
        auto_resize="true"
+       height="513"
        width="313">
    <accordion
      left="0"
@@ -105,6 +106,7 @@ background_visible="true"
      follows="all"
      layout="topleft"
      name="groups_accordion"
+     height="513"
      width="313">
          <accordion_tab
             expanded="true"
@@ -182,6 +184,7 @@ background_visible="true"
          top_pad="0"
    name="button_row"
    follows="bottom|left"
+   height="23"
    width="313">
    <button
     follows="bottom|left"