fix: disable panel dragging during text input and dialog interaction

NPanel: disable DragHandler when popups open, block drag over text inputs
BarWidgetSettingsDialog: notify panel of open/close state
BarSectionEditor: pass panel reference to dialog

Modules/SettingsPanel/Bar/BarWidgetSettingsDialog.qml

@@ -14,6 +14,7 @@ Popup {
   property int widgetIndex: -1
   property var widgetData: null
   property string widgetId: ""
+  property var settingsPanel: null
 
   // Center popup in parent
   x: (parent.width - width) * 0.5
@@ -23,6 +24,7 @@ Popup {
   height: content.implicitHeight + padding * 2
   padding: Style.marginXL * scaling
   modal: true
+  closePolicy: Popup.CloseOnEscape | Popup.CloseOnPressOutside
 
   background: Rectangle {
     id: bgRect
@@ -37,6 +39,20 @@ Popup {
     if (widgetData && widgetId) {
       loadWidgetSettings()
     }
+    notifySettingsPanel(true)
+  }
+
+  onClosed: {
+    notifySettingsPanel(false)
+  }
+
+  function notifySettingsPanel(isOpen) {
+    if (settingsPanel && settingsPanel.hasOwnProperty('hasOpenPopup')) {
+      settingsPanel.hasOpenPopup = isOpen
+      Logger.log("BarWidgetSettingsDialog", "Notified settings panel popup state:", isOpen, "Panel:", settingsPanel.objectName || "unnamed")
+    } else {
+      Logger.warn("BarWidgetSettingsDialog", "No settings panel reference available to notify popup state:", isOpen)
+    }
   }
 
   function loadWidgetSettings() {