feat(FocusedWindow): Improve content width calculation and add size options (#2444)

* use RowLayout in focusedapp widget for better width calculation

* Add context menu with additional size options for focused app widget

quickshell/Common/SettingsData.qml

@@ -394,6 +394,7 @@ Singleton {
     property string audioScrollMode: "volume"
     property int audioWheelScrollAmount: 5
     property bool clockCompactMode: false
+    property int focusedWindowSize: 1
     property bool focusedWindowCompactMode: false
     property bool runningAppsCompactMode: true
     property int barMaxVisibleApps: 0

quickshell/Common/settings/SettingsSpec.js

@@ -153,6 +153,7 @@ var SPEC = {
     audioWheelScrollAmount: { def: 5 },
     clockCompactMode: { def: false },
     focusedWindowCompactMode: { def: false },
+    focusedWindowSize: { def: 1 },
     runningAppsCompactMode: { def: true },
     barMaxVisibleApps: { def: 0 },
     barMaxVisibleRunningApps: { def: 0 },