[gnome-music/wip/jfelder/remove-margin-left-right: 9/13] playlistdialog: Remove margin property usage

[Jean Felder <jfelder src gnome org>]

commit 59762911a57e9c13bee3d71163124cd01fadf02a
Author: Jean Felder <jfelder src gnome org>
Date:   Mon Mar 15 12:30:01 2021 +0100

    playlistdialog: Remove margin property usage
    
    This property does not exist in Gtk4.
    Use margin-bottom, margin-end, margin-start and margin-top
    properties.

 data/ui/PlaylistDialog.ui | 18 ++++++++++++------
 1 file changed, 12 insertions(+), 6 deletions(-)
---
diff --git a/data/ui/PlaylistDialog.ui b/data/ui/PlaylistDialog.ui
index b9d90c769..e2f2eb05c 100644
--- a/data/ui/PlaylistDialog.ui
+++ b/data/ui/PlaylistDialog.ui
@@ -40,7 +40,10 @@
                     <property name="orientation">vertical</property>
                     <property name="valign">fill</property>
                     <property name="vexpand">True</property>
-                    <property name="margin">18</property>
+                    <property name="margin-bottom">18</property>
+                    <property name="margin-end">18</property>
+                    <property name="margin-start">18</property>
+                    <property name="margin-top">18</property>
                     <child>
                       <object class="GtkImage" id="image">
                         <property name="visible">True</property>
@@ -77,8 +80,10 @@
                         <property name="visible">True</property>
                         <property name="can_focus">True</property>
                         <property name="halign">center</property>
-                        <property name="margin_bottom">16</property>
-                        <property name="margin">18</property>
+                        <property name="margin-bottom">16</property>
+                        <property name="margin-end">18</property>
+                        <property name="margin-start">18</property>
+                        <property name="margin-top">18</property>
                         <signal name="activate" handler="_on_editing_done" swapped="no"/>
                         <signal name="changed" handler="_on_add_playlist_entry_changed" swapped="no"/>
                         <signal name="focus-in-event" handler="_on_add_playlist_entry_focused" swapped="no"/>
@@ -99,9 +104,10 @@
                         <property name="receives_default">True</property>
                         <property name="halign">center</property>
                         <property name="valign">center</property>
-                        <property name="margin_top">10</property>
-                        <property name="margin_bottom">20</property>
-                        <property name="margin">18</property>
+                        <property name="margin-bottom">20</property>
+                        <property name="margin-end">18</property>
+                        <property name="margin-start">18</property>
+                        <property name="margin-top">10</property>
                         <signal name="clicked" handler="_on_editing_done" swapped="no"/>
                       </object>
                       <packing>