Fix NavBase properties not requesting sync

Fixes that setters of NavBase properties never made the link or region dirty and requested a sync.

modules/navigation/nav_link.cpp

@@ -94,6 +94,48 @@ void NavLink::set_end_position(const Vector3 p_position) {
 	request_sync();
 }
 
+void NavLink::set_navigation_layers(uint32_t p_navigation_layers) {
+	if (navigation_layers == p_navigation_layers) {
+		return;
+	}
+	navigation_layers = p_navigation_layers;
+	link_dirty = true;
+
+	request_sync();
+}
+
+void NavLink::set_enter_cost(real_t p_enter_cost) {
+	real_t new_enter_cost = MAX(p_enter_cost, 0.0);
+	if (enter_cost == new_enter_cost) {
+		return;
+	}
+	enter_cost = new_enter_cost;
+	link_dirty = true;
+
+	request_sync();
+}
+
+void NavLink::set_travel_cost(real_t p_travel_cost) {
+	real_t new_travel_cost = MAX(p_travel_cost, 0.0);
+	if (travel_cost == new_travel_cost) {
+		return;
+	}
+	travel_cost = new_travel_cost;
+	link_dirty = true;
+
+	request_sync();
+}
+
+void NavLink::set_owner_id(ObjectID p_owner_id) {
+	if (owner_id == p_owner_id) {
+		return;
+	}
+	owner_id = p_owner_id;
+	link_dirty = true;
+
+	request_sync();
+}
+
 bool NavLink::is_dirty() const {
 	return link_dirty;
 }