qml: do not push the same view to the navigation stack

modules/gui/qt/maininterface/qml/MainDisplay.qml

@@ -270,6 +270,9 @@ FocusScope {
                     plListView: playlist
 
                     onItemClicked: {
+                        if (selectedIndex === index)
+                            return
+
                         const name = g_mainDisplay.tabModel.get(index).name
                         selectedIndex = index
                         if (_oldViewProperties[name] === undefined)

modules/gui/qt/medialibrary/qml/MusicDisplay.qml

@@ -89,6 +89,11 @@ Widgets.PageLoader {
         currentView: root.view
         model: tabModel
 
-        onClicked: root.loadIndex(index)
+        onClicked: {
+            if (root.pageModel[index].name === currentView.name)
+                return
+
+            root.loadIndex(index)
+        }
     }
 }

modules/gui/qt/medialibrary/qml/VideoDisplay.qml

@@ -57,7 +57,12 @@ Widgets.PageLoader {
 
         model: tabModel
 
-        onClicked: root.loadIndex(index)
+        onClicked: {
+            if (root.pageModel[index].name === currentView.name)
+                return
+
+            root.loadIndex(index)
+        }
     }
 
     //---------------------------------------------------------------------------------------------

modules/gui/qt/network/qml/DiscoverDisplay.qml

@@ -85,7 +85,12 @@ Widgets.PageLoader {
             currentView: root.view
             model: tabModel
 
-            onClicked: root.loadIndex(index)
+            onClicked: {
+                if (root.pageModel[index].name === currentView.name)
+                    return
+
+                root.loadIndex(index)
+            }
         }
     }
 }