[polari] app: Allow setting telepathy-glib debug flags

[Florian Müllner <fmuellner src gnome org>]

commit 2feb150de0742808b9fde15de103dd5ee0ca4edc
Author: Florian Müllner <fmuellner gnome org>
Date:   Tue Jun 2 13:34:35 2020 +0200

    app: Allow setting telepathy-glib debug flags
    
    Sigh, this really should be provided out-of-the-box ...
    
    https://gitlab.gnome.org/GNOME/polari/-/issues/144

 src/application.js | 1 +
 1 file changed, 1 insertion(+)
---
diff --git a/src/application.js b/src/application.js
index 38560a4e..509c927c 100644
--- a/src/application.js
+++ b/src/application.js
@@ -32,6 +32,7 @@ var Application = GObject.registerClass({
         });
 
         GLib.set_prgname('polari');
+        Tp.debug_set_flags(GLib.getenv('TP_DEBUG'));
         this._retryData = new Map();
         this._nickTrackData = new Map();
         this._demons = [];