Partially implemented normal sub-task EXT-6548 (Edit Outfit: Clean up XUI to allow all elements to fit properly in the panel)

- added dummy space between buttons.
Reviewed by Neal Orman at https://codereview.productengine.com/secondlife/r/331/

--HG--
branch : product-engine

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

@@ -234,6 +234,14 @@
                  name="move_further_btn"
                  top="1"
                  width="31" />
+                <icon
+                 follows="bottom|left"
+                 height="25"
+                 image_name="Toolbar_Middle_Off"
+                 layout="topleft"
+                 left_pad="1"
+                 name="dummy_icon"
+                 width="105" />
                 <button
                  follows="bottom|right"
                  height="25"
@@ -440,6 +448,22 @@
                  name="add_to_outfit_btn"
                  top="1"
                  width="31" />
+                <icon
+                 follows="bottom|left"
+                 height="25"
+                 image_name="Toolbar_Middle_Off"
+                 layout="topleft"
+                 left_pad="1"
+                 name="dummy_middle_icon"
+                 width="140" />
+                <icon
+                 follows="bottom|left"
+                 height="25"
+                 image_name="Toolbar_Right_Off"
+                 layout="topleft"
+                 left_pad="1"
+                 name="dummy_right_icon"
+                 width="31" />
             </panel>
         </layout_panel>
     </layout_stack>