Add Xcode 26 compatibility (#24584)

* Fix ImageDownloader compilation

* Fix compilation in Pinghub

* Fix Jetpack compilation

Author: kean

Modules/Sources/AsyncImageKit/ImageDownloader.swift

@@ -165,7 +165,7 @@ private final class ImageDataTask {
         self.task = task
     }
 
-    func getData(subscriptionID: UUID) async throws -> Data {
+    nonisolated func getData(subscriptionID: UUID) async throws -> Data {
         try await withTaskCancellationHandler {
             try await task.value
         } onCancel: { [weak downloader, key] in

WordPress/Classes/Networking/Pinghub.swift

@@ -233,9 +233,9 @@ private class StarscreamWebSocket: Socket {
     var onText: ((String) -> Void)?
     var onData: ((Data) -> Void)?
 
-    let socket: WebSocket
+    let socket: Starscream.WebSocket
 
-    init(socket: WebSocket) {
+    init(socket: Starscream.WebSocket) {
         self.socket = socket
 
         socket.onEvent = { [weak self] event in

WordPress/WordPressShareExtension/Sources/Services/ShareExtractor.swift

@@ -228,7 +228,7 @@ private protocol ExtensionContentExtractor {
     func copyToSharedContainer(url: URL) -> URL?
 }
 
-private protocol TypeBasedExtensionContentExtractor: ExtensionContentExtractor {
+private protocol TypeBasedExtensionContentExtractor: ExtensionContentExtractor, Sendable {
     associatedtype Payload
     var acceptedType: String { get }
     func convert(payload: Payload) -> ExtractedItem?