feat: Allow webview to load in background tab (react-native-webview#2930

)

BREAKING CHANGE: This affects an existing loading behavior so we marked it as breaking, just in case

Co-authored-by: Peter Lazar <peter.lazar@limehome.de>
Co-authored-by: Thibault Malbranche <thibault@brigad.co>

apple/RNCWebViewImpl.m

@@ -428,9 +428,9 @@ - (WKWebViewConfiguration *)setUpWkWebViewConfig
   return wkWebViewConfig;
 }
 
-- (void)didMoveToWindow
+- (void)didMoveToSuperview
 {
-  if (self.window != nil && _webView == nil) {
+  if (_webView == nil) {
     WKWebViewConfiguration *wkWebViewConfig = [self setUpWkWebViewConfig];
     _webView = [[RNCWKWebView alloc] initWithFrame:self.bounds configuration: wkWebViewConfig];
     [self setBackgroundColor: _savedBackgroundColor];