Logged out if no internet connection

[oleg-mtr]

Steps to reproduce:

1. Configure browser "Open where I left off" ("Restore previous tabs")
2. Open time tracker site and log in (with "Remember me")
3. Close the browser
4. Open the browser
5. Still logged in (OK)
6. Close the browser
7. Disconnect WiFi
8. Open the browser
9. Logged out
10. Connect WiFi
11. Refresh site - still logged out (no OK)

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I often encounter this problem because on PC startup the browser is starting before WiFi is connected.