[pitivi] prefs: Make plugin rows non-selectable

[Alexandru Băluț <alexbalut src gnome org>]

commit f94ecc481ef80cfde0e2490f254a954e3f2546e2
Author: Elias Entrup <elias-git flump de>
Date:   Tue Mar 19 11:13:00 2019 +0100

    prefs: Make plugin rows non-selectable

 pitivi/dialogs/prefs.py | 1 +
 1 file changed, 1 insertion(+)
---
diff --git a/pitivi/dialogs/prefs.py b/pitivi/dialogs/prefs.py
index 87a036ab..5702bfb6 100644
--- a/pitivi/dialogs/prefs.py
+++ b/pitivi/dialogs/prefs.py
@@ -690,6 +690,7 @@ class PluginsBox(Gtk.ListBox):
         self.title_size_group = None
         self.switch_size_group = None
 
+        self.set_selection_mode(Gtk.SelectionMode.NONE)
         self.set_header_func(self._add_header_func, None)
         self.bind_model(self.list_store, self._create_widget_func, None)