chore: Bump taffy to 0.5.1 (#34817)

We've had problems in the past with bumping past 0.5.2 due to perf
regressions reported by @huacnlee; 0.5.1 was fine though.

Hence, let's bump taffy to 0.5.1 as a safe bet and then try to push past
0.5.2 (after we identify the root cause of regression
Related to #19189
Release Notes:

- N/A

crates/gpui/Cargo.toml

@@ -121,7 +121,7 @@ smallvec.workspace = true
 smol.workspace = true
 strum.workspace = true
 sum_tree.workspace = true
-taffy = "0.4.3"
+taffy = "0.5.1"
 thiserror.workspace = true
 util.workspace = true
 uuid.workspace = true

crates/gpui/src/taffy.rs

@@ -182,7 +182,7 @@ impl TaffyLayoutEngine {
             .compute_layout_with_measure(
                 id.into(),
                 available_space.into(),
-                |known_dimensions, available_space, _id, node_context| {
+                |known_dimensions, available_space, _id, node_context, _style| {
                     let Some(node_context) = node_context else {
                         return taffy::geometry::Size::default();
                     };