refactor(framemode): unify connected surface chrome via SDF pipeline

- Shadow system rewrite with SDF quads
- Replace ConnectedShape/layer FBOs w/frame & chrome SDF shaders
- Improve frame blur performance
- Plugin performance gate

quickshell/Modals/DankColorPickerModal.qml

@@ -1,6 +1,5 @@
 import QtQuick
 import Quickshell
-import Quickshell.Hyprland
 import Quickshell.Io
 import qs.Common
 import qs.Modals.Common
@@ -13,11 +12,6 @@ DankModal {
 
     layerNamespace: "dms:color-picker"
 
-    HyprlandFocusGrab {
-        windows: [root.contentWindow]
-        active: root.useHyprlandFocusGrab && root.shouldHaveFocus
-    }
-
     property string pickerTitle: I18n.tr("Choose Color")
     property color selectedColor: SessionData.recentColors.length > 0 ? SessionData.recentColors[0] : Theme.primary
     property var onColorSelectedCallback: null