gui: GtkPaned spacing improvements

Use a smaller handle, but add more space to the child widgets margins.

Signed-off-by: Anna Schumaker <Anna@OcarinaProject.net>

CHANGELOG

@@ -1,3 +1,6 @@
+6.4.14:
+- GtkPaned spacing improvements
+
 6.4.14-rc:
 - Load files and databases using the idle queue
 - Switch over to using the glib g_random_int_range() function

share/ocarina/ocarina6.glade

@@ -816,12 +816,12 @@
             <property name="can_focus">True</property>
             <property name="position">125</property>
             <property name="position_set">True</property>
-            <property name="wide_handle">True</property>
             <signal name="notify::position" handler="__sidebar_resize" swapped="no"/>
             <child>
               <object class="GtkBox" id="box5">
                 <property name="visible">True</property>
                 <property name="can_focus">False</property>
+                <property name="margin_right">3</property>
                 <property name="orientation">vertical</property>
                 <child>
                   <object class="GtkButtonBox" id="buttonbox2">
@@ -886,7 +886,6 @@
                   <object class="GtkScrolledWindow" id="scrolledwindow3">
                     <property name="visible">True</property>
                     <property name="can_focus">True</property>
-                    <property name="margin_right">1</property>
                     <property name="margin_top">5</property>
                     <property name="margin_bottom">5</property>
                     <property name="shadow_type">in</property>
@@ -1055,7 +1054,7 @@
               <object class="GtkBox" id="box1">
                 <property name="visible">True</property>
                 <property name="can_focus">False</property>
-                <property name="margin_left">1</property>
+                <property name="margin_left">3</property>
                 <property name="orientation">vertical</property>
                 <child>
                   <object class="GtkStack" id="o_stack">