Added PHP mysqli module in PHP module list to enable

    [feedquote='i-MSCP Github (1.2.x) (nuxwin)','https://github.com/i-MSCP/imscp/commit/5c9d851b1c7a92b962b14878af35a1ae6408555e']

    Code
    1. Added PHP mysqli module in PHP module list to enable
    2. (cherry picked from commit bd7bae0)

    [/feedquote]