Loop through all attachments, no breaking

  * If there is a URL or an image, we want to find it even if we've
    already found some plain text
  * Specifically, Firefox and Brave put the title earlier in the list
    than the URL, so the URL is never found if we break out of the
    iteration

ios/ReactNativeShareExtension.m

@@ -79,13 +79,10 @@ - (void)extractDataFromContext:(NSExtensionContext *)context withCallback:(void(
         [attachments enumerateObjectsUsingBlock:^(NSItemProvider *provider, NSUInteger idx, BOOL *stop) {
             if([provider hasItemConformingToTypeIdentifier:URL_IDENTIFIER]) {
                 urlProvider = provider;
-                *stop = YES;
             } else if ([provider hasItemConformingToTypeIdentifier:TEXT_IDENTIFIER]){
                 textProvider = provider;
-                *stop = YES;
             } else if ([provider hasItemConformingToTypeIdentifier:IMAGE_IDENTIFIER]){
                 imageProvider = provider;
-                *stop = YES;
             }
         }];