Merge branch 'stabilization/2106' of https://github.com/o3de/o3de into carlitosan/thecleansing

Code/Framework/AzQtComponents/AzQtComponents/Components/FancyDocking.cpp

@@ -3288,15 +3288,20 @@ namespace AzQtComponents
         }
 
         // Untab tabbed dock widgets before restoring, as the restore only works on dock widgets parented directly to the main window
-        const QList<QDockWidget*> dockWidgets = m_mainWindow->findChildren<QDockWidget*>();
-        for (QDockWidget* dockWidget : dockWidgets)
+        for (QDockWidget* dockWidget : m_mainWindow->findChildren<QDockWidget*>(
+            QRegularExpression(QString("%1.*").arg(m_tabContainerIdentifierPrefix)), Qt::FindChildrenRecursively))
         {
-            if (QStackedWidget* stackedWidget = qobject_cast<QStackedWidget*>(dockWidget->parentWidget()))
+            DockTabWidget* tabWidget = qobject_cast<DockTabWidget*>(dockWidget->widget());
+            if (!tabWidget)
             {
-                if (AzQtComponents::DockTabWidget* tabWidget = qobject_cast<AzQtComponents::DockTabWidget*>(stackedWidget->parentWidget()))
-                {
-                    tabWidget->removeTab(dockWidget);
-                }
+                continue;
+            }
+
+            // Remove the tabs from the tab widget (we don't actually want to close them, which could delete them at this point)
+            int numTabs = tabWidget->count();
+            for (int i = 0; i < numTabs; ++i)
+            {
+                tabWidget->removeTab(0);
             }
         }
 

Code/Framework/AzToolsFramework/AzToolsFramework/AssetBrowser/Views/AssetBrowserTreeView.cpp

@@ -210,6 +210,21 @@ namespace AzToolsFramework
 
         void AssetBrowserTreeView::UpdateAfterFilter(bool hasFilter, bool selectFirstValidEntry)
         {
+            const QModelIndexList& selectedIndexes = selectionModel()->selectedRows();
+
+            // If we've cleared the filter but had something selected, ensure it stays selected and visible.
+            if (!hasFilter && !selectedIndexes.isEmpty())
+            {
+                QModelIndex curIndex = selectedIndexes[0];
+                m_expandToEntriesByDefault = true;
+                m_treeStateSaver->ApplySnapshot();
+
+                setCurrentIndex(curIndex);
+                scrollTo(curIndex);
+
+                return;
+            }
+
             // Flag our default expansion state so that we expand down to source entries after filtering
             m_expandToEntriesByDefault = hasFilter;
             // Then ask our state saver to apply its current snapshot again, falling back on asking us if entries should be expanded or not