Use correct range to get diff hunks in the presence of wrapped lines

crates/editor/src/display_map/block_map.rs

@@ -157,6 +157,7 @@ pub struct BlockChunks<'a> {
     max_output_row: u32,
 }
 
+#[derive(Clone)]
 pub struct BlockBufferRows<'a> {
     transforms: sum_tree::Cursor<'a, Transform, (BlockRow, WrapRow)>,
     input_buffer_rows: wrap_map::WrapBufferRows<'a>,

crates/editor/src/display_map/fold_map.rs

@@ -987,6 +987,7 @@ impl<'a> sum_tree::Dimension<'a, FoldSummary> for usize {
     }
 }
 
+#[derive(Clone)]
 pub struct FoldBufferRows<'a> {
     cursor: Cursor<'a, Transform, (FoldPoint, Point)>,
     input_buffer_rows: MultiBufferRows<'a>,

crates/editor/src/display_map/wrap_map.rs

@@ -62,6 +62,7 @@ pub struct WrapChunks<'a> {
     transforms: Cursor<'a, Transform, (WrapPoint, TabPoint)>,
 }
 
+#[derive(Clone)]
 pub struct WrapBufferRows<'a> {
     input_buffer_rows: fold_map::FoldBufferRows<'a>,
     input_buffer_row: Option<u32>,