[geary: 1/2] components: ensure correct initial state for headerbars buttons

[Michael Gratton <mjog src gnome org>]

commit a1a31734c43f26256e6065d82bbf0450e3c61176
Author: Julian Sparber <julian sparber net>
Date:   Tue Jan 12 12:40:56 2021 +0100

    components: ensure correct initial state for headerbars buttons
    
    fixes: https://gitlab.gnome.org/GNOME/geary/-/issues/1112

 src/client/components/components-conversation-header-bar.vala | 1 +
 1 file changed, 1 insertion(+)
---
diff --git a/src/client/components/components-conversation-header-bar.vala 
b/src/client/components/components-conversation-header-bar.vala
index ce28c2365..858930110 100644
--- a/src/client/components/components-conversation-header-bar.vala
+++ b/src/client/components/components-conversation-header-bar.vala
@@ -56,6 +56,7 @@ public class Components.ConversationHeaderBar : Gtk.HeaderBar {
 
             reply_forward_buttons = actions.reply_forward_buttons;
             archive_trash_delete_buttons = actions.archive_trash_delete_buttons;
+            action_bar.reveal_child = get_allocated_width() > 600;
             update_action_bar();
             this.owner_notify = actions.notify["owner"].connect(() => {
                 if (actions.owner != this) {