SettingsWindow Loading

- reworked the way we load the settings to avoid using
Qt.createComponent which breaks hot reload and more
- introduced a new PanelManager singleton to hold some references to
some panels and later will be used to force having a single panel opened
at all time

Modules/Settings/Tabs/Network.qml

@@ -35,7 +35,7 @@ ColumnLayout {
         Layout.fillWidth: true
 
         NText {
-          text: "Network Settings"
+          text: "Interfaces"
           font.pointSize: Style.fontSizeXL * scaling
           font.weight: Style.fontWeightBold
           color: Colors.textPrimary