widget theme: change color for window background and frame

Change-Id: I37f1524db71eea2912ffb65fdd7a00605e6b1d4d
Reviewed-on: https://gerrit.libreoffice.org/69017Reviewed-by: Tomaž Vajngerl <quikee@gmail.com>
Tested-by: Tomaž Vajngerl <quikee@gmail.com>

vcl/uiconfig/theme_definitions/definition.xml

@@ -366,25 +366,20 @@
     <windowbackground>
         <part value="BackgroundWindow">
             <state>
-                <rect stroke="#FF0000" fill="#FF0000" stroke-width="1" rx="1" ry="1"/>
+                <rect stroke="#FFFFFF" fill="#FFFFFF" stroke-width="1" rx="1" ry="1"/>
             </state>
         </part>
         <part value="BackgroundDialog">
             <state>
-                <rect stroke="#0000FF" fill="#FFFFFF" stroke-width="1" rx="1" ry="1"/>
+                <rect stroke="#FFFFFF" fill="#FFFFFF" stroke-width="1" rx="1" ry="1"/>
             </state>
         </part>
     </windowbackground>
 
     <frame>
-        <part value="Entire">
-            <state>
-                <rect stroke="#00FF00" fill="#00FF00" stroke-width="1" rx="1" ry="1"/>
-            </state>
-        </part>
         <part value="Border">
             <state>
-                <rect stroke="#00FF00" fill="#00FF00" stroke-width="1" rx="1" ry="1"/>
+                <rect stroke="#FFFFFF" fill="#FFFFFF" stroke-width="1" rx="1" ry="1"/>
             </state>
         </part>
     </frame>