make BottomAccessoryProvider to a NSObject and have it as prop

Author: johankasperi

packages/react-native-bottom-tabs/ios/BottomAccessoryProvider.swift

@@ -1,6 +1,6 @@
 import SwiftUI
 
-@objc public class BottomAccessoryProvider: PlatformView {
+@objc public class BottomAccessoryProvider: NSObject {
   private weak var delegate: BottomAccessoryProviderDelegate?
 
   @objc public convenience init(delegate: BottomAccessoryProviderDelegate) {

packages/react-native-bottom-tabs/ios/RCTBottomAccessoryComponentView.mm

@@ -17,6 +17,7 @@
 using namespace facebook::react;
 
 @interface RCTBottomAccessoryComponentView () <BottomAccessoryProviderDelegate> {
+  BottomAccessoryProvider* bottomAccessoryProvider;
 }
 @end
 
@@ -32,7 +33,7 @@ - (instancetype)initWithFrame:(CGRect)frame
   if (self = [super initWithFrame:frame]) {
     static const auto defaultProps = std::make_shared<const BottomAccessoryViewProps>();
     if (@available(iOS 26.0, *)) {
-      self.contentView = [[BottomAccessoryProvider alloc] initWithDelegate:self];
+      bottomAccessoryProvider = [[BottomAccessoryProvider alloc] initWithDelegate:self];
     }
   }
 

packages/react-native-bottom-tabs/ios/TabView/NewTabView.swift

@@ -119,7 +119,7 @@ struct BottomAccessoryRepresentableView: PlatformViewRepresentable {
   }
 
   private func emitPlacementChanged(for uiView: PlatformView) {
-    if let contentView = uiView.value(forKey: "contentView") as? BottomAccessoryProvider {
+    if let contentView = uiView.value(forKey: "bottomAccessoryProvider") as? BottomAccessoryProvider {
       contentView.emitPlacementChanged(tabViewBottomAccessoryPlacement)
     }
   }