Fix the reclaimer stranding a tab-switched-into project: lift the pin and wakeup into FxReclaimQueue, retarget instead of going idle

Also validate the cached track in its project, and stop a drop-free tick resetting the report memo.

src/app/main.cpp

@@ -222,11 +222,11 @@ static void OnTimer()
 
     // Converge the FX chains toward what the view state says they should be — the
     // 1897ms of TrackFX_SetOffline a mode switch no longer pays synchronously. Same
-    // idle discipline as the realtime fast path above: a SINGLE BOOL TEST when there is
+    // idle discipline as the realtime fast path above: ONE bool read when there is
     // nothing to converge. Ordered AFTER the load block deliberately — a reload replaces
     // the view model wholesale, and the applyMode above is what re-derives the queue
     // from it, so draining first would spend a tick against the outgoing model.
-    if (reasampler::g_fxReclaimPending)
+    if (reasampler::fxReclaimPending())
         reasampler::fxReclaimTick(g_session, nullptr);
 
     reasampler::bankPanelRefresh();  // cheap fingerprint compare; no-op when unchanged/closed