Fixed updating Graph token

app/src/main/java/eu/faircode/email/DaoIdentity.java

@@ -119,9 +119,9 @@ public interface DaoIdentity {
             " SET password = :password, auth_type = :new_auth_type, provider = :provider" +
             " WHERE account = :account" +
             " AND user = :user" +
-            " AND (auth_type = :auth_type OR auth_type = " + ServiceAuthenticator.AUTH_TYPE_GRAPH + ")" +
+            " AND (auth_type = :auth_type OR auth_type IS NULL)" +
             " AND NOT (password IS :password AND auth_type IS :new_auth_type AND provider = :provider)")
-    int setIdentityPassword(long account, String user, String password, int auth_type, int new_auth_type, String provider);
+    int setIdentityPassword(long account, String user, String password, Integer auth_type, int new_auth_type, String provider);
 
     @Query("UPDATE identity" +
             " SET fingerprint = :fingerprint" +

app/src/main/java/eu/faircode/email/FragmentOAuth.java

@@ -992,7 +992,7 @@ public class FragmentOAuth extends FragmentBase {
                         db.account().setAccountPassword(update.id, state[0], AUTH_TYPE_OAUTH, provider.id);
                         db.identity().setIdentityPassword(update.id, username,
                                 state[state.length - 1],
-                                update.auth_type,
+                                null,
                                 (state.length == 1 ? AUTH_TYPE_OAUTH : AUTH_TYPE_GRAPH),
                                 provider.id);
                     }