view-coordinator: use the view name to destroy dialogs

In the case of a unique view, we need to use the view name used in
the viewmanager to destroy the dialog. This is now provided by the
viewName parameter of the callback used when creating the dialog.

Gitlab: #1938
Change-Id: I3645fc1c7fda44eea9fde8d9d5886647820685ea

src/app/ViewCoordinator.qml

@@ -99,9 +99,9 @@ QtObject {
     function presentDialog(parent, path, props = {}, singleInstance = false) {
         // Open the dialog once the object is created
         let createFunc = singleInstance ? viewManager.createView : viewManager.createUniqueView;
-        return createFunc(path, parent, function (obj) {
+        return createFunc(path, parent, function (obj, viewName) {
                 const doneCb = function () {
-                    viewManager.destroyView(path);
+                    viewManager.destroyView(viewName);
                 };
                 if (obj.closed !== undefined) {
                     obj.closed.connect(doneCb);

src/app/ViewManager.qml

@@ -59,7 +59,7 @@ QtObject {
         if (views.hasOwnProperty(viewName)) {
             // an instance of the view already exists
             if (cb !== null) {
-                cb(views[viewName])
+                cb(views[viewName], viewName)
             }
             return views[viewName]
         }
@@ -76,7 +76,7 @@ QtObject {
                 viewName.replace(/^.*[\\\/]/, '').replace(/\.[^/.]+$/, "")
             viewPaths[friendlyName] = viewName
             if (cb !== null) {
-                cb(obj)
+                cb(obj , viewName)
             }
             return views[viewName]
         }
@@ -103,6 +103,7 @@ QtObject {
     function destroyView(path) {
         // The view may already have been destroyed.
         if (!views.hasOwnProperty(path)) {
+            console.warn("View not found:", path, "Available views:", Object.keys(views))
             return false
         }
         views[path].destroy()