terminal: Simplify task_summary processing (#40201)

Release Notes:

- N/A

crates/terminal/src/terminal.rs

@@ -2187,21 +2187,13 @@ fn task_summary(task: &TaskState, error_code: Option<i32>) -> (bool, String, Str
         .full_label
         .replace("\r\n", "\r")
         .replace('\n', "\r");
-    let (success, task_line) = match error_code {
-        Some(0) => (
-            true,
-            format!("{TASK_DELIMITER}Task `{escaped_full_label}` finished successfully"),
-        ),
-        Some(error_code) => (
-            false,
-            format!(
-                "{TASK_DELIMITER}Task `{escaped_full_label}` finished with non-zero error code: {error_code}"
-            ),
-        ),
-        None => (
-            false,
-            format!("{TASK_DELIMITER}Task `{escaped_full_label}` finished"),
+    let success = error_code == Some(0);
+    let task_line = match error_code {
+        Some(0) => format!("{TASK_DELIMITER}Task `{escaped_full_label}` finished successfully"),
+        Some(error_code) => format!(
+            "{TASK_DELIMITER}Task `{escaped_full_label}` finished with non-zero error code: {error_code}"
         ),
+        None => format!("{TASK_DELIMITER}Task `{escaped_full_label}` finished"),
     };
     let escaped_command_label = task
         .spawned_task