Prevent duplicate terminal wake recovery on overlapping window events

When window focus and visibility events fire concurrently, they can trigger multiple redundant wake recovery passes.

- Return early if a wake recovery frame is already scheduled.
- Keep the scheduled animation frame instead of canceling it to ensure we get a settled recovery pass.

src/renderer/src/components/terminal-pane/use-terminal-window-wake-recovery.ts

@@ -29,6 +29,10 @@ export function useTerminalWindowWakeRecovery({
       wakeRecoveryFrameId = null
     }
     const recoverVisibleWake = (): void => {
+      // Focus and visibility often fire together; keep one immediate recovery and one settled RAF pass.
+      if (wakeRecoveryFrameId !== null) {
+        return
+      }
       const manager = managerRef.current
       if (!manager) {
         return
@@ -37,7 +41,6 @@ export function useTerminalWindowWakeRecovery({
         manager,
         isActive: isActiveRef.current
       })
-      cancelScheduledWakeRecovery()
       if (typeof requestAnimationFrame !== 'function') {
         return
       }