Projects / Projects Grid is now single-select unless in Master View Mode

prs.desktop/Panels/Jobs/ProjectsPanel.cs

@@ -100,6 +100,13 @@ public class ProjectsPanel : MasterDetailPanel<Job,ProjectsGrid,ProjectsPanelSet
         _settings = new GlobalConfiguration<ProjectsSettings>().Load();
     }
     
+
+    protected override void DoSplitPanelChanged()
+    {
+        base.DoSplitPanelChanged();
+        MasterGrid.Options.MultiSelect = _splitPanel.View == DynamicSplitPanelView.Master;
+    }
+
     private void SetPageVisible(Type type, IMasterDetailPage? page)
     {
         if (page is null)