GoogleFragment: Don't attempt to parse cookies if they are null

Signed-off-by: Aayush Gupta <aayushgupta219@gmail.com>

app/src/main/java/com/aurora/store/view/ui/account/GoogleFragment.kt

@@ -90,6 +90,8 @@ class GoogleFragment : Fragment(R.layout.fragment_google) {
             webViewClient = object : WebViewClient() {
                 override fun onPageFinished(view: WebView, url: String) {
                     val cookies = CookieManager.getInstance().getCookie(url)
+                    // cookies can be null if there is an error
+                    if (cookies != null) {
                         val cookieMap = AC2DMUtil.parseCookieString(cookies)
                         if (cookieMap.isNotEmpty() && cookieMap[AUTH_TOKEN] != null) {
                             val oauthToken = cookieMap[AUTH_TOKEN]
@@ -100,6 +102,7 @@ class GoogleFragment : Fragment(R.layout.fragment_google) {
                         }
                     }
                 }
+            }
 
             settings.apply {
                 allowContentAccess = true