SysStat Service: Porting code to JS/QML instead of an external bash

Modules/Bar/Widgets/SystemMonitor.qml

@@ -88,7 +88,7 @@ RowLayout {
         }
 
         NText {
-          text: `${SystemStatService.memoryUsageGb}G`
+          text: `${SystemStatService.memGb}G`
           font.family: Settings.data.ui.fontFixed
           font.pointSize: Style.fontSizeS * scaling
           font.weight: Style.fontWeightMedium

Modules/SidePanel/Cards/SystemMonitorCard.qml

@@ -40,7 +40,7 @@ NBox {
       height: 68 * scaling
     }
     NCircleStat {
-      value: SystemStatService.memoryUsagePer
+      value: SystemStatService.memPercent
       icon: "memory"
       flat: true
       contentScale: 0.8
@@ -48,7 +48,7 @@ NBox {
       height: 68 * scaling
     }
     NCircleStat {
-      value: SystemStatService.diskUsage
+      value: SystemStatService.diskPercent
       icon: "hard_drive"
       flat: true
       contentScale: 0.8