Only reorder within the same folder

Author: TrueDoctor

editor/src/document/document_file.rs

@@ -408,7 +408,7 @@ impl MessageHandler<DocumentMessage, &InputPreprocessor> for DocumentMessageHand
 					1 => selected_layers.last(),
 					_ => unreachable!(),
 				} {
-                    let all_layer_paths:Vec<_> = all_layer_paths.iter().filter(|layer|layer.len() == pivot.len()).collect();
+                    let all_layer_paths:Vec<_> = all_layer_paths.iter().filter(|layer|layer.starts_with(&pivot[0..pivot.len()-1])).collect();
 					if let Some(pos) = all_layer_paths.iter().position(|path| *path == pivot) {
 						let max = all_layer_paths.len() as i64 - 1;
 						let insert_pos = (pos as i64 + relative_position as i64).clamp(0, max) as usize;