Fix incomplete - Port to Collabwrapper

Author: Saumya-Mishra9129

reflectwindow.py

@@ -71,7 +71,7 @@ def __init__(self, activity):
 
         self._activity.load_graphics_area(self)
 
-        if self._activity.collab.props.leader:
+        if self._activity.initiating:
             entry = Gtk.Entry()
             entry.props.placeholder_text = _('Add a reflection')
             entry.connect('activate', self._entry_activate_cb)