Add more hints to navigation map cell size errors

Adds more hints to navigation map cell size errors.

(cherry picked from commit 90e2d9fa7e4def8556919df58680746abe0ce5bf)

modules/navigation/nav_region.cpp

@@ -115,11 +115,11 @@ void NavRegion::update_polygons() {
 
 #ifdef DEBUG_ENABLED
 	if (!Math::is_equal_approx(double(map->get_cell_size()), double(mesh->get_cell_size()))) {
-		ERR_PRINT_ONCE("Navigation map synchronization error. Attempted to update a navigation region with a navigation mesh that uses a different `cell_size` than the `cell_size` set on the navigation map.");
+		ERR_PRINT_ONCE(vformat("Navigation map synchronization error. Attempted to update a navigation region with a navigation mesh that uses a `cell_size` of %s while assigned to a navigation map set to a `cell_size` of %s. The cell size for navigation maps can be changed by using the NavigationServer map_set_cell_size() function. The cell size for default navigation maps can also be changed in the ProjectSettings.", double(map->get_cell_size()), double(mesh->get_cell_size())));
 	}
 
 	if (!Math::is_equal_approx(double(map->get_cell_height()), double(mesh->get_cell_height()))) {
-		ERR_PRINT_ONCE("Navigation map synchronization error. Attempted to update a navigation region with a navigation mesh that uses a different `cell_height` than the `cell_height` set on the navigation map.");
+		ERR_PRINT_ONCE(vformat("Navigation map synchronization error. Attempted to update a navigation region with a navigation mesh that uses a `cell_height` of %s while assigned to a navigation map set to a `cell_height` of %s. The cell height for navigation maps can be changed by using the NavigationServer map_set_cell_height() function. The cell height for default navigation maps can also be changed in the ProjectSettings.", double(map->get_cell_height()), double(mesh->get_cell_height())));
 	}
 
 	if (map && Math::rad_to_deg(map->get_up().angle_to(transform.basis.get_column(1))) >= 90.0f) {