SL-20639 increase floater width to accommodate adding new option

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

@@ -5,7 +5,7 @@
  can_minimize="true"
  can_resize="false"
  can_close="true"
- height="455"
+ height="475"
  layout="topleft"
  name="Snapshot"
  single_instance="true"
@@ -241,7 +241,7 @@
     </panel>
 	<panel_container
      follows="left|top"
-     height="210"
+     height="230"
      layout="topleft"
      left="0"
      name="panel_container"
@@ -399,8 +399,8 @@
     name="thumbnail_placeholder"
     top="23"
 	left="215"
-	width="400"
-	height="400"
+	width="420"
+	height="420"
     follows="top|left"/>
   <view_border 
    bevel_style="in"