fix(ffi): fall back to the call's receiver when a bound one has gone away

(cherry picked from commit 869f7dbf1fd823dc425183e71f79f22cf5bd2d7d)

Author: ammarahm-ed

NativeScript/ffi/objc/hermes/NativeApiJsi.mm

@@ -192,7 +192,13 @@ NativeApiSelectorGroupState state(
           }
           if (state.boundReceiverState != nullptr) {
             receiverHostObject = state.boundReceiver.lock();
-          } else if (thisValue.isObject()) {
+          }
+          // Fall through rather than else-if: the bound receiver is weak, so a
+          // collected wrapper leaves it empty, and the call still has a perfectly
+          // good receiver in thisValue. Binding must not turn a live call into
+          // "requires a native receiver". SelectorGroupCall.h already resolves it
+          // this way; this lambda was the one place that did not.
+          if (!receiverHostObject && thisValue.isObject()) {
             Object receiverObject = thisValue.asObject(runtime);
             if (receiverObject.isHostObject<NativeApiObjectHostObject>(
                     runtime)) {

NativeScript/ffi/objc/shared/bridge/SelectorGroupCall.h

@@ -34,9 +34,17 @@ inline NativeApiResolvedSelectorGroupCall resolveNativeApiSelectorGroupCall(
   result.receiver =
       data.receiverIsClass ? static_cast<id>(data.lookupClass) : nil;
   if (!data.receiverIsClass) {
-    result.receiver = data.boundReceiverState != nullptr
-                          ? data.boundReceiverState->object()
-                          : resolveReceiver();
+    // The bound receiver's lifetime state is cleared when its ObjC object goes
+    // away, so "bound" does not mean "still has an object". Falling back to the
+    // call's own receiver keeps a live call working; the ternary turned it into
+    // "requires a native receiver". This mirrors how the init path below
+    // resolves the receiver host.
+    if (data.boundReceiverState != nullptr) {
+      result.receiver = data.boundReceiverState->object();
+    }
+    if (result.receiver == nil) {
+      result.receiver = resolveReceiver();
+    }
   }
   if (result.receiver == nil) {
     throw JSError(runtime,