add signature icon cause the icon is available (in breeez)

Change-Id: If221848b1ef389a1816e5aab71f784ddd932c9bc
Reviewed-on: https://gerrit.libreoffice.org/42347Tested-by: Jenkins <ci@libreoffice.org>
Reviewed-by: Heiko Tietze <tietze.heiko@googlemail.com>

sc/uiconfig/scalc/ui/notebookbar.ui

@@ -128,6 +128,11 @@
     <property name="can_focus">False</property>
     <property name="pixbuf">sfx2/res/placeholder.png</property>
   </object>
+  <object class="GtkImage" id="SignatureImg">
+    <property name="visible">True</property>
+    <property name="can_focus">False</property>
+    <property name="pixbuf">cmd/lc_signature.png</property>
+  </object>
   <object class="GtkImage" id="PrintImg">
     <property name="visible">True</property>
     <property name="can_focus">False</property>
@@ -357,7 +362,7 @@
                         <property name="can_focus">True</property>
                         <property name="receives_default">True</property>
                         <property name="action_name">.uno:Signature</property>
-                        <property name="image">PlaceholderImg</property>
+                        <property name="image">SignatureImg</property>
                         <property name="relief">none</property>
                         <property name="image_position">top</property>
                       </object>

sd/uiconfig/simpress/ui/notebookbar.ui

@@ -93,6 +93,11 @@
     <property name="can_focus">False</property>
     <property name="pixbuf">cmd/lc_paste.png</property>
   </object>
+  <object class="GtkImage" id="SignatureImg">
+    <property name="visible">True</property>
+    <property name="can_focus">False</property>
+    <property name="pixbuf">cmd/lc_signature.png</property>
+  </object>
   <object class="GtkImage" id="PlaceholderImg">
     <property name="visible">True</property>
     <property name="can_focus">False</property>
@@ -315,7 +320,7 @@
                     <property name="can_focus">True</property>
                     <property name="receives_default">True</property>
                     <property name="action_name">.uno:Signature</property>
-                    <property name="image">PlaceholderImg</property>
+                    <property name="image">SignatureImg</property>
                     <property name="relief">none</property>
                     <property name="image_position">top</property>
                   </object>

sw/uiconfig/swriter/ui/notebookbar.ui

@@ -139,6 +139,11 @@
     <property name="can_focus">False</property>
     <property name="pixbuf">sfx2/res/placeholder.png</property>
   </object>
+  <object class="GtkImage" id="SignatureImg">
+    <property name="visible">True</property>
+    <property name="can_focus">False</property>
+    <property name="pixbuf">cmd/lc_signature.png</property>
+  </object>
   <object class="GtkImage" id="PlaceholderImg1">
     <property name="visible">True</property>
     <property name="can_focus">False</property>
@@ -422,7 +427,7 @@
                         <property name="can_focus">True</property>
                         <property name="receives_default">True</property>
                         <property name="action_name">.uno:Signature</property>
-                        <property name="image">PlaceholderImg</property>
+                        <property name="image">SignatureImg</property>
                         <property name="relief">none</property>
                         <property name="image_position">top</property>
                       </object>