Populate "expired" property of Guacamole users defined via MySQL / MariaDB.
<result column="password_salt" property="passwordSalt" jdbcType="BINARY"/>
<result column="password_date" property="passwordDate" jdbcType="TIMESTAMP"/>
<result column="disabled" property="disabled" jdbcType="BOOLEAN"/>
+ <result column="expired" property="expired" jdbcType="BOOLEAN"/>
<result column="access_window_start" property="accessWindowStart" jdbcType="TIME"/>
<result column="access_window_end" property="accessWindowEnd" jdbcType="TIME"/>
<result column="valid_from" property="validFrom" jdbcType="DATE"/>
