External storages and smbclient into snap-package NextCloud

Hello Everyone.
I have preinstalled snap-package Nextcloud 17.0.5 in Ubuntu server 18.04.3 x64.
I intsalled App “External storage support”.
And in the settings of this App I see a warning “smbclient” is not installed. Mounting of “SMB / CIFS”, “SMB / CIFS using OC login” is not possible. "
Then I installed in Ubuntu :
apt install smbclient php-smbclient
and rebooted server.
But after a reboot this warning didn’t disappear.

If I understood correctly the installed smbclients didn’t apply to the snap-package.

What should I do to make it work?

Did you fix this issue?

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