NavigationRegion test suppress warning

Suppresses warning about source geometry parsing from visual meshes in NavigationRegion test.

tests/scene/test_navigation_region_3d.h

@@ -65,7 +65,9 @@ TEST_SUITE("[Navigation]") {
 		CHECK_EQ(navigation_mesh->get_vertices().size(), 0);
 
 		SUBCASE("Synchronous bake should have immediate effects") {
+			ERR_PRINT_OFF; // Suppress warning about baking from visual meshes as source geometry.
 			navigation_region->bake_navigation_mesh(false);
+			ERR_PRINT_ON;
 			CHECK_FALSE(navigation_region->is_baking());
 			CHECK_NE(navigation_mesh->get_polygon_count(), 0);
 			CHECK_NE(navigation_mesh->get_vertices().size(), 0);