Fixed RedirectPage.cshtml so that it does not redirect when no redirect URL - this means it can be used when redirects created in XPM (TSI-463)
Fixed RedirectPage.cshtml so that it does not redirect when no redirect URL - this means it can be used when redirects created in XPM (TSI-463)

sdl/dxa-web-application-dotnet,sdl/dxa-web-application-dotnet