Set the API cookie as well as the web cookie

We need to set both of these values as the web will make an
API request.

android/Omnivore/app/src/main/java/app/omnivore/omnivore/ui/reader/WebAppReader.kt

@@ -34,6 +34,7 @@ fun ArticleWebView(slug: String, authCookieString: String) {
 
       CookieManager.getInstance().setAcceptThirdPartyCookies(this, true)
       CookieManager.getInstance().setAcceptCookie(true)
+      CookieManager.getInstance().setCookie(BuildConfig.OMNIVORE_API_URL, authCookieString)
       CookieManager.getInstance().setCookie(BuildConfig.OMNIVORE_WEB_URL, authCookieString) {
         loadUrl(url)
       }