Adapt qml for qt5 and qt6

src/qml/Component/QuickSwitcher.qml

@@ -113,7 +113,7 @@ QQC2.Dialog {
                     RoomManager.enterRoom(roomListItem.currentRoom);
                     root.close();
                 }
-                bold: roomListItem.notificationCount > 0
+                @BASICLISTITEM_BOLD@: roomListItem.notificationCount > 0
                 label: roomListItem.displayName ?? ""
                 labelItem.textFormat: Text.PlainText
                 subtitle: roomListItem.subtitleText

src/qml/Component/Timeline/OsmLocationPlugin.qml

@@ -3,8 +3,8 @@
 
 pragma Singleton
 
-import QtQuick 2.15
-import QtLocation 5.15
+import QtQuick @QTQUICK_MODULE_QML_VERSION@
+import QtLocation @QTLOCATION_MODULE_QML_VERSION@
 
 QtObject {
     property var plugin: Plugin {

src/qml/Dialog/PowerLevelDialog.qml

@@ -17,7 +17,7 @@ Kirigami.OverlaySheet {
     property var userId
     property int powerLevel
 
-    onSheetOpenChanged: {
+    @OVERLAYSHEET_OPEN@: {
         if (sheetOpen) {
             powerLevelComboBox.currentIndex = powerLevelComboBox.indexOfValue(root.powerLevel)
         }

src/qml/Dialog/UserDetailDialog.qml

@@ -195,8 +195,7 @@ Kirigami.OverlaySheet {
             }
         }
     }
-
-    onSheetOpenChanged: {
+    @OVERLAYSHEET_OPEN@: {
         if (!sheetOpen) {
             closed()
         }

src/qml/Page/RoomList/RoomDelegate.qml

@@ -36,7 +36,7 @@ Kirigami.BasicListItem {
     highlighted: ListView.view.currentIndex === index
     focus: true
     icon: undefined
-    bold: root.hasNotifications
+    @BASICLISTITEM_BOLD@: root.hasNotifications
 
     label: root.displayName
     labelItem.textFormat: Text.PlainText