IPckEditor - Added UpdateView method

PCK-Studio/Controls/PckEditor.cs

@@ -1655,5 +1655,10 @@ namespace PckStudio.Controls
             isTemplateFile = true;
             return true;
         }
+
+        public void UpdateView()
+        {
+            BuildMainTreeView();
+        }
     }
 }

PCK-Studio/Interfaces/IPckEditor.cs

@@ -22,5 +22,7 @@ namespace PckStudio.Interfaces
         void SaveTo(string filepath);
 
         void Close();
+
+        void UpdateView();
     }
 }

PCK-Studio/MainForm.cs

@@ -131,12 +131,9 @@ namespace PckStudio
 			{
 				if (TryGetEditor(out IPckEditor editor))
 				{
-					//TODO
-                    //editor.BuildMainTreeView();
+					editor.UpdateView();
 				}
 			});
-
-			//UpdateRichPresence();
 		}
 
         private void MainForm_FormClosing(object sender, FormClosingEventArgs e)