fixed redirect to primary alias when PortalAliasMapping is set to redirect #4547
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Fixes #4306
If PortalAliasMapping is set to redirect, and the request is not for the primary alias, user will be redirected
Summary
In advancedUrlRewriter.IsPortalAliasIncorrect there was a check to allow redirection to an alias when forceAlias was used in the querystring.
I added to that check that if the request is not for a primary alias, and PortalAliasMapping is set to redirect, the user will also be redirected to the primary alias