quickshell: replace macOS-style shell with standalone overview module

Swap the illogical-impulse-derived components for the upstream
quickshell-overview standalone module, update Hyprland keybinds
(Super+Tab overview, rofi launcher), refresh foot colors and
starship theme, and adjust related host/module wiring.

home/hypr/quickshell/common/widgets/StyledText.qml

@@ -0,0 +1,16 @@
+import QtQuick
+import ".."
+
+Text {
+    id: root
+    property bool animateChange: false
+
+    renderType: Text.NativeRendering
+    verticalAlignment: Text.AlignVCenter
+    font {
+        hintingPreference: Font.PreferFullHinting
+        family: Appearance?.font.family.main ?? "sans-serif"
+        pixelSize: Appearance?.font.pixelSize.small ?? 15
+    }
+    color: Appearance?.m3colors.m3onBackground ?? "white"
+}