make all dialogs inherit one base class

- opening a new dialog closes the previous one

Assets/Scripts/LevelEditor/DialogHelpers/Dialog.cs

@@ -0,0 +1,28 @@
+using System.Collections;
+using System.Collections.Generic;
+using UnityEngine;
+using HeavenStudio.Editor.Track;
+
+using TMPro;
+
+namespace HeavenStudio.Editor 
+{
+    public class Dialog : MonoBehaviour
+    {
+        [SerializeField] protected GameObject dialog;
+        public void ForceState(bool onoff = false)
+        {
+            Editor.instance.canSelect = onoff;
+            Editor.instance.inAuthorativeMenu = !onoff;
+            dialog.SetActive(onoff);
+        }
+
+        public static void ResetAllDialogs()
+        {
+            foreach(var dialog in FindObjectsOfType<Dialog>())
+            {
+                dialog.ForceState(false);
+            }
+        }
+    }
+}

Assets/Scripts/LevelEditor/DialogHelpers/Dialog.cs.meta

@@ -0,0 +1,11 @@
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