Фикс: ProviderSetupGuide модальный-в-модальном (non-modal + z:100), index required property в delegate'ах FileTreePanel/EditorPanel, добавлена диагностика openProviderGuide, vault=/Users/alex/Nextcloud/test

qml/panels/EditorPanel.qml

@@ -34,6 +34,7 @@ Item {
                     Rectangle {
                         id: tab
                         required property string modelData
+                        required property int index
                         readonly property bool active: index === documentManager.activeIndex
                         width: Math.max(96, Math.min(200, tabLabel.implicitWidth + 44))
                         height: 26

qml/panels/FileTreePanel.qml

@@ -97,6 +97,7 @@ Item {
                 required property bool expanded
                 required property bool hasChildren
                 required property string icon
+                required property int index
 
                 width: treeView.width
                 height: 30