Change dataform to href markup URLs in fixed field

Closes #10445

gajim/gtk/dataform.py

@@ -27,6 +27,7 @@
 
 from .util import MultiLineLabel
 from .util import MaxWidthComboBoxText
+from .util import make_href_markup
 
 
 # Options
@@ -329,7 +330,7 @@ class FixedField(Field):
     def __init__(self, field, form_grid, options):
         Field.__init__(self, field, form_grid, options)
 
-        self._label.set_text(field.value)
+        self._label.set_markup(make_href_markup(field.value))
 
         # If the value is more than 40 chars it proabably isn’t
         # meant as a section header