feat(just): update recipe to edit tuned default profile using ppd.conf (#907)

* feat(just): update recipe to change tuned default profile in ppd.conf

* chore(just): change wording on the powerprofile dialog

system_files/desktop/shared/usr/share/ublue-os/just/80-bazzite.just

@@ -140,8 +140,13 @@ configure-powerprofile ACTION="":
       echo "  Use 'balanced' to select Balanced"
       exit 0
     elif [ "$OPTION" == "" ]; then
+      # Cleanup old method
+      if [ -f "~/.config/autostart/bazzite-powersave.desktop" ]; then
+        rm ~/.config/autostart/bazzite-powersave.desktop
+      fi
+      # New method from here on
       echo "${bold}Power profile configuration${normal}"
-      echo "This lets you set the default power profile for when the desktop loads."
+      echo "This lets you set the default power profile."
       echo "We do not recommend changing this from ${b}Balanced${n} if you use this device primarily for gaming!"
       echo "If you have any performance or audio related issues..."
       echo "${invert}${b}Please test with the default power profile set to Balanced${n} before reporting!"
@@ -151,19 +156,11 @@ configure-powerprofile ACTION="":
     fi
     if [[ "${OPTION,,}" =~ powersave ]]; then
       echo "Setting default powerprofile to ${b}Powersave${n}"
-      bash -c 'cat << PPD > ~/.config/autostart/bazzite-powersave.desktop
-    [Desktop Entry]
-    Exec=/usr/bin/bazzite-powersave
-    Icon=dialog-scripts
-    Name=bazzite-powersave
-    Type=Application
-    PPD'
+      sudo sed -iE 's/default=(.+)/default=powersave/' /etc/tuned/ppd.conf
       bazzite-powersave
     elif [[ "${OPTION,,}" =~ balanced ]]; then
       echo "Setting default powerprofile to ${b}Balanced${n}"
-      if [ -f "~/.config/autostart/bazzite-powersave.desktop" ]; then
-        rm ~/.config/autostart/bazzite-powersave.desktop
-      fi
+      sudo sed -iE 's/default=(.+)/default=balanced/' /etc/tuned/ppd.conf
       bazzite-powersave 0
     fi