Creation of dynamic properties in Gdk entities

[d47081]

have some warnings when activating only this event:

Deprecated: Creation of dynamic property GdkEvent::$type is deprecated...
Deprecated: Creation of dynamic property GdkEventButton::$type is deprecated...
Deprecated: Creation of dynamic property GdkEventButton::$send_event is deprecated...
Deprecated: Creation of dynamic property GdkEventButton::$time is deprecated...
Deprecated: Creation of dynamic property GdkEventButton::$x is deprecated...
Deprecated: Creation of dynamic property GdkEventButton::$y is deprecated...
Deprecated: Creation of dynamic property GdkEventButton::$axes is deprecated...
Deprecated: Creation of dynamic property GdkEventButton::$state is deprecated...
Deprecated: Creation of dynamic property GdkEventButton::$button is deprecated...
Deprecated: Creation of dynamic property GdkEventButton::$x_root is deprecated...
Deprecated: Creation of dynamic property GdkEventButton::$y_root is deprecated...
Deprecated: Creation of dynamic property GdkEvent::$button is deprecated...
Deprecated: Creation of dynamic property GdkEventKey::$type is deprecated...
Deprecated: Creation of dynamic property GdkEventKey::$send_event is deprecated...
Deprecated: Creation of dynamic property GdkEventKey::$time is deprecated...
Deprecated: Creation of dynamic property GdkEventKey::$state is deprecated...
Deprecated: Creation of dynamic property GdkEventKey::$keyval...
Deprecated: Creation of dynamic property GdkEventKey::$length is deprecated...
Deprecated: Creation of dynamic property GdkEventKey::$hardware_keycode...
Deprecated: Creation of dynamic property GdkEventKey::$keycode is deprecated...
Deprecated: Creation of dynamic property GdkEventKey::$group is deprecated...
Deprecated: Creation of dynamic property GdkEventKey::$is_modifier is deprecated...

Debian 12

Originally posted by @d47081 in https://github.com/scorninpc/php-gtk3/issues/97#issuecomment-2055337355