♻️ Refactor submodule title composition

Author: berkanuslu

src/ViewModels/Launcher.cs

@@ -301,20 +301,13 @@ public void OpenRepositoryInTab(string repo, LauncherPage page)
 
         public void OpenRepositoryInTab(RepositoryNode node, LauncherPage page)
         {
-            // Compose submodule title from current parent name
-            if (page != null && page.Node.IsRepository)
-            {
-                var baseName = Path.GetFileName(node.Id);
-                node.Name = $"{page.Node.Name} : {baseName}";
-            }
-
             foreach (var one in Pages)
             {
                 if (one.Node.Id == node.Id)
                 {
                     // Update title in case parent was renamed
                     if (page != null && page.Node.IsRepository)
-                        one.Node.Name = node.Name;
+                        one.Node.Name = ComposeSubmoduleTitle(page, node);
 
                     ActivePage = one;
                     return;
@@ -368,7 +361,7 @@ public void OpenRepositoryInTab(RepositoryNode node, LauncherPage page)
             else if (page.Node.IsRepository)
             {
                 var parent = page;
-                node.Name = $"{parent.Node.Name} : {node.Name}";
+                node.Name = ComposeSubmoduleTitle(parent, node);
                 page = new LauncherPage(node, repo);
                 var parentIdx = Pages.IndexOf(parent);
                 Pages.Insert(parentIdx + 1, page);
@@ -487,6 +480,12 @@ private void PostActivePageChanged()
             CommandPalette = null;
         }
 
+        private static string ComposeSubmoduleTitle(LauncherPage parent, RepositoryNode node)
+        {
+            var baseName = Path.GetFileName(node.Id);
+            return $"{parent.Node.Name} : {baseName}";
+        }
+
         private Workspace _activeWorkspace;
         private LauncherPage _activePage;
         private bool _ignoreIndexChange;