[pitivi] render: Make play the suggested action

[Alexandru Băluț <alexbalut src gnome org>]

commit 76d35d45ee94fb2f69c5e8a2249eae7dbb2ece50
Author: Diego Garcia Gangl <dnicolas gmail com>
Date:   Sat Mar 30 20:11:34 2019 -0300

    render: Make play the suggested action

 pitivi/render.py | 2 ++
 1 file changed, 2 insertions(+)
---
diff --git a/pitivi/render.py b/pitivi/render.py
index 3d921228..206bafe2 100644
--- a/pitivi/render.py
+++ b/pitivi/render.py
@@ -325,6 +325,8 @@ class RenderingProgressDialog(GObject.Object):
         self.window.set_transient_for(self.app.gui)
         self.window.set_icon_name("system-run-symbolic")
 
+        self.play_rendered_file_button.get_style_context().add_class("suggested-action")
+
         # We will only show the close/play buttons when the render is done:
         self.play_rendered_file_button.hide()
         self.close_button.hide()