Resolves: tdf#124809 spacing ignored unless WB_ITEMBORDER is set

Change-Id: I29d63926c605d3f143c242337e31388123f22cff
Reviewed-on: https://gerrit.libreoffice.org/70939
Tested-by: Jenkins
Reviewed-by: Caolán McNamara <caolanm@redhat.com>
Tested-by: Caolán McNamara <caolanm@redhat.com>

cui/source/customize/cfg.cxx

@@ -2648,7 +2648,7 @@ SvxIconSelectorDialog::SvxIconSelectorDialog(weld::Window *pWindow,
         m_xFtNote->set_label(SvxConfigPageHelper::replaceSixteen(m_xFtNote->get_label(), m_nExpectedSize));
     }
 
-    m_xTbSymbol->SetStyle(m_xTbSymbol->GetStyle() | WB_VSCROLL);
+    m_xTbSymbol->SetStyle(m_xTbSymbol->GetStyle() | WB_ITEMBORDER | WB_VSCROLL);
     m_xTbSymbol->SetColCount(11);
     m_xTbSymbol->SetLineCount(5);
     m_xTbSymbol->SetItemWidth(m_nExpectedSize);

cui/uiconfig/ui/iconselectordialog.ui

@@ -127,6 +127,10 @@
                                     <property name="visible">True</property>
                                     <property name="can_focus">True</property>
                                     <property name="events">GDK_BUTTON_MOTION_MASK | GDK_BUTTON_PRESS_MASK | GDK_BUTTON_RELEASE_MASK | GDK_STRUCTURE_MASK</property>
+                                    <property name="margin_left">3</property>
+                                    <property name="margin_right">3</property>
+                                    <property name="margin_top">3</property>
+                                    <property name="margin_bottom">3</property>
                                     <property name="hexpand">True</property>
                                     <property name="vexpand">True</property>
                                   </object>