Make proof raw id field in request draft admin

Author: stefanw

froide/foirequest/admin.py

@@ -1226,7 +1226,7 @@ class RequestDraftAdmin(admin.ModelAdmin):
     search_fields = ["subject", "user_email_deterministic"]
     ordering = ("-save_date",)
     date_hierarchy = "save_date"
-    raw_id_fields = ("user", "publicbodies", "request", "project")
+    raw_id_fields = ("user", "publicbodies", "request", "project", "proof")
 
     actions = ["send_draft"]