How to fix snap binaries not found

Warning: /snap/bin was not found in your $PATH. If you've not restarted your
         session since you installed snapd, try doing that. Please see
         https://forum.snapcraft.io/t/9469 for more details.

The output of snap version:

snap    2.38
snapd   2.38
series  16
solus   4.0
kernel  5.0.7-114.current

The contents of etc/os-release

NAME="Solus"
VERSION="4.0"
ID="solus"
VERSION_CODENAME=fortitude
VERSION_ID="4.0"
PRETTY_NAME="Solus 4.0 Fortitude"
ANSI_COLOR="1;34"
HOME_URL="https://getsol.us"
SUPPORT_URL="https://getsol.us/articles/contributing/getting-involved/en/"
BUG_REPORT_URL="https://dev.getsol.us/"

Desktop, shell, etc.:

             ......                pknaepel@pknaepel-notebook
         .'Dlddddddddddd'.           OS: Solus 4.0 fortitude
      .'dddXMxdddddddddddddd.        Kernel: x86_64 Linux 5.0.7-114.current
    .dddddxMMM0;dddddddddddddd.      Uptime: 6m
   'dddddlMMMMMNcddddddddddddddd.    Packages: 942
  ddddddcWMMMMMMWlddddddddddddddd.   Shell: bash 4.4.19
 ddddddcWMMMMMMMMOddoddddddddddddd.  Resolution: 3840x1080
.ddddd:NMMMMMMMMMKddNXod;clxldddddd  DE: Budgie
dddddcWMMMMMMMMMMNNddMMXl;d00xl;ddd. WM: BudgieWM
ddddlWMMMMMMMMMMMMMd;MMMM0:dlXMMXk:' WM Theme: Plata-Noir
dddoWMMMMMMMMMMMMMMddMMMMMWod;XMMMOd GTK Theme: Plata-Noir [GTK2/3]
.ddMMMMMMMMMMMMMMMMd:MMMMMMMkdlMKll  Icon Theme: Papirus
.;dk0KXNWWMMMMMMMMMdxMMMMMMMXl;lxK;  Font: Noto Sans 9
  'dddddddd;:cclodcddxddolloxO0Od'   CPU: Intel Core i5-7300HQ @ 4x 3.5GHz [72.0°C]
   ckkxxxddddddddxxkOOO000Okdool.    GPU: GeForce GTX 1050
    .lddddxxxxxxddddooooooooood      RAM: 1650MiB / 7926MiB
      .:oooooooooooooooooooc'       
         .,:looooooooooc;.