Revert "Only show Worked for after the final assistant message" (#7884)

Reverts openai/codex#7854

codex-rs/tui/src/status_indicator_widget.rs

@@ -125,10 +125,13 @@ impl StatusIndicatorWidget {
         elapsed
     }
 
-    #[cfg(test)]
     fn elapsed_seconds_at(&self, now: Instant) -> u64 {
         self.elapsed_duration_at(now).as_secs()
     }
+
+    pub fn elapsed_seconds(&self) -> u64 {
+        self.elapsed_seconds_at(Instant::now())
+    }
 }
 
 impl Renderable for StatusIndicatorWidget {