make web views inspectable

Author: casey-chow

iOS_SDK/OneSignalSDK/Source/OSInAppMessageView.m

@@ -110,6 +110,10 @@ - (void)setupWebviewWithMessageHandler:(id<WKScriptMessageHandler>)handler {
     self.webView = [[WKWebView alloc] initWithFrame:mainBounds configuration:configuration];
     self.webView.backgroundColor = [UIColor clearColor];
     self.webView.opaque = NO;
+    // https://webkit.org/blog/13936/enabling-the-inspection-of-web-content-in-apps/
+    if (@available(macOS 13.3, iOS 16.4, *)) {
+        self.webView.isInspectable = YES;
+    }
     [self addSubview:self.webView];
 
     [self layoutIfNeeded];

iOS_SDK/OneSignalSDK/Source/OneSignalWebView.m

@@ -41,6 +41,10 @@ - (void)viewDidLoad {
 
     _webView = [WKWebView new];
     _webView.navigationDelegate = self;
+    // https://webkit.org/blog/13936/enabling-the-inspection-of-web-content-in-apps/
+    if (@available(macOS 13.3, iOS 16.4, *)) {
+        _webView.isInspectable = YES;
+    }
     [self.view addSubview:_webView];
 
     [self pinSubviewToMarginsWithSubview:_webView withSuperview:self.view];