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/StyledToolTip.qml

@@ -0,0 +1,23 @@
+import QtQuick
+import QtQuick.Controls
+import "."
+
+ToolTip {
+    id: root
+    property bool extraVisibleCondition: true
+    property bool alternativeVisibleCondition: false
+    readonly property bool internalVisibleCondition: (extraVisibleCondition && (parent.hovered === undefined || parent?.hovered)) || alternativeVisibleCondition
+    verticalPadding: 5
+    horizontalPadding: 10
+    background: null
+
+    visible: internalVisibleCondition
+    
+    contentItem: StyledToolTipContent {
+        id: contentItem
+        text: root.text
+        shown: root.internalVisibleCondition
+        horizontalPadding: root.horizontalPadding
+        verticalPadding: root.verticalPadding
+    }
+}