Fix soft-wrapping with fold creases (#28029)

Release Notes:

- Fixed a rendering bug that caused context in the agent to not wrap
properly.

---------

Co-authored-by: Conrad Irwin <conrad.irwin@gmail.com>
Co-authored-by: Zed AI <ai+claude-3.7@zed.dev>

crates/editor/src/display_map/tab_map.rs

@@ -1,8 +1,8 @@
 use super::{
     Highlights,
-    fold_map::{self, FoldChunks, FoldEdit, FoldPoint, FoldSnapshot},
+    fold_map::{self, Chunk, FoldChunks, FoldEdit, FoldPoint, FoldSnapshot},
 };
-use language::{Chunk, Point};
+use language::Point;
 use multi_buffer::MultiBufferSnapshot;
 use std::{cmp, mem, num::NonZeroU32, ops::Range};
 use sum_tree::Bias;