Taking user to sign-in page instead of register page once the registration is complete

[ExplorerSunil]

Is your feature request related to a problem? Please describe.
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Even though I'm user of I-Stem portal, when I come after few days, it logs me out and take me to registration page.

Describe the solution you'd like
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It would be great if we existing users are landed onto sign-in page instead of registration page on being logged out.

Describe alternatives you've considered
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Right now I've to click on "sign in" button each time I come to website.

Additional context
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It happens on all the browser and platforms.