i18n: WIP initial RTL support

- notifications
- color picker
- process list
- settings
- control center, dash
- launcher

part of #1059

quickshell/Modules/DankBar/Popouts/BatteryPopout.qml

@@ -43,6 +43,9 @@ DankPopout {
         Rectangle {
             id: batteryContent
 
+            LayoutMirroring.enabled: I18n.isRtl
+            LayoutMirroring.childrenInherit: true
+
             implicitHeight: contentColumn.implicitHeight + Theme.spacingL * 2
             color: "transparent"
             radius: Theme.cornerRadius