Advanced Workspace Switcher Widget + Lockscreen Virtual Keyboard (#149)

* Virtual keyboard on lockscreen

Almost whole code was taken from https://github.com/LucasCodingM/customVirtualkeyboard

* AdvancedWorkspaceSwitcher + BottomBar

- AdvancedWorkspaceSwitcher shows opened apps and allows to move to
them
- focusWindow function for niri
- Bottom bar with AdvancedWorkspaceSwitcher

* Cleanup + Styling fixes

* Changed visibility defaults back to true

For advanced workspace switcher

* Formatting + resolved commets

Modules/Lock/CustomButtonKeyboard.qml

@@ -0,0 +1,25 @@
+import QtQuick
+import QtQuick.Controls
+import qs.Common
+import qs.Services
+import qs.Widgets
+
+DankActionButton {
+    id: customButtonKeyboard
+    circular: false
+    property string text: ""
+    width: 40
+    height: 40
+    property bool isShift: false
+    color: Theme.surface
+    hoverColor: Theme.surfacePressed
+
+    StyledText {
+        id: contentItem
+        anchors.centerIn: parent
+        text: parent.text
+        color: Theme.surfaceText
+        font.pixelSize: Theme.fontSizeXLarge
+        font.weight: Font.Normal
+    }
+}