[connections] window: Set "title" property for GtkApplicationWindow

[Felipe Borges <felipeborges src gnome org>]

commit cb84c4f6bd89ce47abd992794c4a0a6c9ab9db6c
Author: Felipe Borges <felipeborges gnome org>
Date:   Mon Sep 27 10:26:56 2021 +0200

    window: Set "title" property for GtkApplicationWindow
    
    Fixes #41

 src/ui/window.ui | 1 +
 1 file changed, 1 insertion(+)
---
diff --git a/src/ui/window.ui b/src/ui/window.ui
index 084d635..8f0bc57 100644
--- a/src/ui/window.ui
+++ b/src/ui/window.ui
@@ -2,6 +2,7 @@
 <interface>
   <requires lib="gtk+" version="3.20"/>
     <template class="ConnectionsWindow" parent="HdyApplicationWindow">
+      <property name="title" translatable="yes">Connections</property>
       <property name="default-width">980</property>
       <property name="default-height">640</property>
       <signal name="key-press-event" after="yes" handler="on_key_pressed"/>