fix: crash when intent is null

java.lang.NullPointerException: Attempt to invoke virtual method 'java.lang.Class java.lang.Object.getClass()' on a null object reference
    net.openid.appauth.Preconditions.checkNotNull(Preconditions.java:39)
    net.openid.appauth.AuthorizationException.fromIntent(AuthorizationException.java:572)
    ly.david.musicsearch.data.musicbrainz.auth.MusicBrainzLoginActivityResultContract.parseResult(MusicBrainzLoginActivityResultContract.kt:60)

data/musicbrainz/src/androidMain/kotlin/ly/david/musicsearch/data/musicbrainz/auth/MusicBrainzLoginActivityResultContract.kt

@@ -57,7 +57,7 @@ class MusicBrainzLoginActivityResultContract(
         intent: Intent?,
     ): Result {
         val response = intent?.run { AuthorizationResponse.fromIntent(intent) }
-        val exception = AuthorizationException.fromIntent(intent)
+        val exception = intent?.run { AuthorizationException.fromIntent(intent) }
         return Result(
             response = response,
             exception = exception,