Revert "Merge Ω-W2-T4: split the deferred FX-park drain by kind"

This reverts commit 70bd29dc89, reversing
changes made to 84afd1b545.

src/shell/actions/design_view_actions.cpp

@@ -26,7 +26,7 @@
 #include "shell/capture/track_guid.h"    // shared MediaTrack* -> canonical GUID key
 #include "shell/panel/panel_window.h"    // bankPanelInvalidate — footer toggle repaint
 #include "shell/view/view.h"             // applyMode + mintManagedLanes (D2 shell)
-#include "shell/view/view_fx_park.h"     // drainDeferredFxRestores — see persistViewState
+#include "shell/view/view_fx_park.h"     // drainDeferredFxParks — see persistViewState
 
 #define REAPERAPI_MINIMAL
 #define REAPERAPI_WANT_CountSelectedTracks
@@ -148,11 +148,9 @@ void persistViewState(PersistScope scope) {
     // BEFORE the model is serialized, and before the Save-As below can write a
     // .rpp: a deferred FX restore leaves the chain offline while the model has
     // already dropped the snapshot that would replan it. Why that combination is
-    // unrecoverable on reopen is at drainDeferredFxRestores. Restores only — a
-    // pending PARK is safe to save over and converges on reopen. Runs for BOTH
-    // scopes: the narrowed save still writes the key the half-applied restore
-    // contradicts.
-    drainDeferredFxRestores();
+    // unrecoverable on reopen is at drainDeferredFxParks. Runs for BOTH scopes —
+    // the narrowed save still writes the key the half-applied park contradicts.
+    drainDeferredFxParks();
 
     if (!g_session->view().membership().empty()) {
         ReaProject* proj = EnumProjects(-1, nullptr, 0);