[udisks2] Treat partition type setting as success if blockdev part it…

…'s not supported. Contributes to JB#42527

This must be like this due to disabled parted support.

rpm/0001-Disable-libblockdev-mdraid-and-part-support-from-sou.patch

@@ -387,7 +387,7 @@ index 5fa20482..70eb6477 100644
 -
    return ret;
 +#else
-+  return FALSE;
++  return TRUE;
 +#endif
  }