Make application transparency opt-in (#14253)

* Make application transparency opt-in

* Use the transparency helper for Kanagawa

* Address transparency review findings

* Toggle transparency for opaque windows too

test/shell.d/windows-vm-test.sh

@@ -5,7 +5,6 @@ set -euo pipefail
 source "$(cd -- "$(dirname -- "${BASH_SOURCE[0]}")" && pwd)/base-test.sh"
 
 windows_vm_command="$ROOT/bin/omarchy-windows-vm"
-windows_vm_rules="$ROOT/default/hypr/apps/windows-vm.lua"
 
 rg -q '^    restart: "no"$' "$windows_vm_command" ||
   fail "Windows VM uses manual startup by default"
@@ -16,14 +15,7 @@ if rg -q '^    restart: unless-stopped$' "$windows_vm_command"; then
 fi
 pass "Windows VM does not restart automatically at boot"
 
-# Tolerate either shell quoting of the argument -- what must not drift is the
-# title itself, since the Hyprland rule below matches on it.
+# Tolerate either shell quoting of the argument.
 rg -q 'title:"?Windows VM - Omarchy"' "$windows_vm_command" ||
   fail "Windows VM launches FreeRDP with its expected title"
-rg -q 'class = "\^xfreerdp\$", title = "\^Windows VM - Omarchy\$"' "$windows_vm_rules" ||
-  fail "Windows VM opacity rule targets its FreeRDP window"
-rg -q 'tag = "-default-opacity"' "$windows_vm_rules" ||
-  fail "Windows VM opts out of default opacity"
-rg -q 'opacity = "1 1"' "$windows_vm_rules" ||
-  fail "Windows VM stays fully opaque"
-pass "Windows VM stays fully opaque"
+pass "Windows VM launches FreeRDP with its expected title"