quickshell: use hyprlock for lock and power actions

swaylock broke and the stack already locks with hyprlock everywhere else;
point the desktop lockCommand and power menu at hyprlock and drop the
now-identical laptop/desktop branches.

dot_config/quickshell/shared/Config.qml.tmpl

@@ -61,15 +61,11 @@ Singleton {
 
     // Idle daemon
     readonly property string idleProcess: "hypridle"
-    readonly property string lockCommand: "{{ if $isLaptop }}hyprlock{{ else }}swaylock{{ end }}"
+    readonly property string lockCommand: "hyprlock"
 
     // Power commands
     readonly property var powerActions: [
-{{- if $isLaptop }}
         { command: ["hyprlock"] },
-{{- else }}
-        { command: ["swaylock"] },
-{{- end }}
         { command: ["hyprshutdown"] },
         { command: ["hyprshutdown", "-t", "Restarting...", "--post-cmd", "systemctl reboot"] },
         { command: ["hyprshutdown", "-t", "Powering off...", "--post-cmd", "systemctl poweroff"] }