Manually input SMTP Password via UI

UI updated to support manual creation of SMTP password when creating a new credential or resetting password for SMTP login previously created. While it is recommended to use the more secure, auto-generated password, some use cases needed the character count of the password to be shorter.

UI updated to support manual creation of SMTP password when creating a new credential or resetting password for SMTP login previously created. While it is recommended to use the more secure, auto-generated password, some use cases needed the character count of the password to be shorter.