greeter: New Greeter Settings UI & Sync fixes

- Add PAM Auth via GUI
- Added new sync flags
- Refactored cache directory management & many others
- Fix for wireplumber permissions
- Fix for polkit auth w/icon
- Add pam_fprintd timeout=5 to prevent 30s auth blocks when using password

quickshell/Modals/Settings/SettingsContent.qml

@@ -241,6 +241,21 @@ FocusScope {
             }
         }
 
+        Loader {
+            id: greeterLoader
+            anchors.fill: parent
+            active: root.currentIndex === 31
+            visible: active
+            focus: active
+
+            sourceComponent: GreeterTab {}
+
+            onActiveChanged: {
+                if (active && item)
+                    Qt.callLater(() => item.forceActiveFocus());
+            }
+        }
+
         Loader {
             id: pluginsLoader
             anchors.fill: parent
@@ -470,7 +485,7 @@ FocusScope {
 
             onActiveChanged: {
                 if (active && item)
-                Qt.callLater(() => item.forceActiveFocus());
+                    Qt.callLater(() => item.forceActiveFocus());
             }
         }
 
@@ -485,7 +500,7 @@ FocusScope {
 
             onActiveChanged: {
                 if (active && item)
-                Qt.callLater(() => item.forceActiveFocus());
+                    Qt.callLater(() => item.forceActiveFocus());
             }
         }
     }