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TG 115 broken OAUTH cause login_hint

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After the upgrade from 102 to 115, TB does not allow to authenticate a shared mailbox using a login different from the mailbox address.

For example, I need to authenticate to a lot of MS365 shared mailboxes using same personal login/account. All ok until 102, not working from 115 to 120 (I tried last beta) because the authentication popup does not allow to change the login.

Maybe because the auth url generated by TB contains "login_hint" parameter? However, this simple breaks any chance to use TB so it's a really critical bug.

After the upgrade from 102 to 115, TB does not allow to authenticate a shared mailbox using a login different from the mailbox address. For example, I need to authenticate to a lot of MS365 shared mailboxes using same personal login/account. All ok until 102, not working from 115 to 120 (I tried last beta) because the authentication popup does not allow to change the login. Maybe because the auth url generated by TB contains "login_hint" parameter? However, this simple breaks any chance to use TB so it's a really critical bug.