Fix double click on SidePanel to close

NPanel: remove WlrLayershell.keyboardFocus.OnDemand, only add it to
specific panels.

Modules/Launcher/Launcher.qml

@@ -28,6 +28,9 @@ NPanel {
   panelAnchorBottom: launcherPosition.startsWith("bottom_")
   panelAnchorTop: launcherPosition.startsWith("top_")
 
+  // Enable keyboard focus for launcher (needed for search)
+  panelKeyboardFocus: true
+
   // Background opacity following bar's approach
   panelBackgroundColor: Qt.rgba(Color.mSurface.r, Color.mSurface.g, Color.mSurface.b,
                                 Settings.data.appLauncher.backgroundOpacity)

Modules/SettingsPanel/SettingsPanel.qml

@@ -24,6 +24,9 @@ NPanel {
   panelAnchorHorizontalCenter: true
   panelAnchorVerticalCenter: true
 
+  // Enable keyboard focus for settings panel
+  panelKeyboardFocus: true
+
   // Tabs enumeration, order is NOT relevant
   enum Tab {
     About,

Modules/WiFiPanel/WiFiPanel.qml

@@ -14,6 +14,9 @@ NPanel {
   panelHeight: 500 * scaling
   panelAnchorRight: true
 
+  // Enable keyboard focus for WiFi panel (needed for password input)
+  panelKeyboardFocus: true
+
   property string passwordPromptSsid: ""
   property string passwordInput: ""
   property bool showPasswordPrompt: false

Widgets/NPanel.qml

@@ -40,6 +40,9 @@ Loader {
   property int buttonWidth: 0
   property int buttonHeight: 0
 
+  // Whether this panel should accept keyboard focus
+  property bool panelKeyboardFocus: false
+
   // Animation properties
   readonly property real originalScale: 0.7
   readonly property real originalOpacity: 0.0
@@ -148,7 +151,7 @@ Loader {
 
       WlrLayershell.exclusionMode: ExclusionMode.Ignore
       WlrLayershell.namespace: "noctalia-panel"
-      WlrLayershell.keyboardFocus: WlrKeyboardFocus.OnDemand
+      WlrLayershell.keyboardFocus: root.panelKeyboardFocus ? WlrKeyboardFocus.OnDemand : WlrKeyboardFocus.None
 
       Behavior on color {
         ColorAnimation {