GNOME 48: make sure markup is correctly applied

On GNOME 48, clutterText.use_markup must be set after setting
the actual text.

https://gjs-docs.gnome.org/clutter10~10/clutter.text#method-set_markup
Fixes #169

Author: mwilck

[email protected]/lineview.js

@@ -92,8 +92,8 @@ class ArgosLineView extends St.BoxLayout {
       this.add_child(label);
 
       let clutterText = label.get_clutter_text();
-      clutterText.use_markup = true;
       clutterText.text = line.markup;
+      clutterText.use_markup = true;
 
       if (line.hasOwnProperty("length")) {
         let maxLength = parseInt(line.length, 10);