Use read-only access methods for read-only entity operations (#31479)

Another follow-up to #31254

Release Notes:

- N/A

crates/debugger_ui/src/session/running.rs

@@ -319,7 +319,7 @@ pub(crate) fn new_debugger_pane(
                 if let Some(tab) = dragged_item.downcast_ref::<DraggedTab>() {
                     let is_current_pane = tab.pane == cx.entity();
                     let Some(can_drag_away) = weak_running
-                        .update(cx, |running_state, _| {
+                        .read_with(cx, |running_state, _| {
                             let current_panes = running_state.panes.panes();
                             !current_panes.contains(&&tab.pane)
                                 || current_panes.len() > 1
@@ -952,7 +952,7 @@ impl RunningState {
         let running = cx.entity();
         let Ok(project) = self
             .workspace
-            .update(cx, |workspace, _| workspace.project().clone())
+            .read_with(cx, |workspace, _| workspace.project().clone())
         else {
             return Task::ready(Err(anyhow!("no workspace")));
         };

crates/debugger_ui/src/session/running/breakpoint_list.rs

@@ -109,7 +109,7 @@ impl BreakpointList {
             .update(cx, |this, cx| this.find_or_create_worktree(path, false, cx));
         cx.spawn_in(window, async move |this, cx| {
             let (worktree, relative_path) = task.await?;
-            let worktree_id = worktree.update(cx, |this, _| this.id())?;
+            let worktree_id = worktree.read_with(cx, |this, _| this.id())?;
             let item = this
                 .update_in(cx, |this, window, cx| {
                     this.workspace.update(cx, |this, cx| {

crates/debugger_ui/src/session/running/stack_frame_list.rs

@@ -280,7 +280,7 @@ impl StackFrameList {
                     })
                 })??
                 .await?;
-            let position = buffer.update(cx, |this, _| {
+            let position = buffer.read_with(cx, |this, _| {
                 this.snapshot().anchor_after(PointUtf16::new(row, 0))
             })?;
             this.update_in(cx, |this, window, cx| {