[TIMOB-18139] (3_5_X) Redisplay the alert controller

Normally we do not allow a window to be presented above an alert.
TiErrorController is the exception. In that case we just redisplay the
alert to position it correctly

Fixes [TIMOB-18139](https://jira.appcelerator.org/browse/TIMOB-18139)

Cherry Pick PR #6453 into 3_5_X