an attempt to fix random crashes

src/settings/page.py

-from gi.repository import Adw
+from gi.repository import GLib, Adw
 
 from .widgets.panel_row import TuneItPanelRow
 
@@ -29,6 +29,11 @@ class Page:
                 print(f"Секция {section.name} не создала виджетов.")
 
         if not_empty:
+            GLib.idle_add(self.update_ui, stack, listbox, pref_page)
+        else:
+            print(f"the page {self.name} is empty, ignored")
+
+    def update_ui(self, stack, listbox, pref_page):
         stack_page = stack.add_child(pref_page)
         stack_page.set_title(self.name)
         stack_page.set_name(self.name)
@@ -38,5 +43,3 @@ class Page:
         row.props.title = self.name
         row.props.icon_name = self.icon
         listbox.append(row)
-        else:
-            print(f"the page {self.name} is empty, ignored")