Replace hardcoded Tooltip.AddTooltip() calls with TooltipGiver script in GameObject (#593)

* Remove all hardcoded Tooltip.AddTooltip() calls

* Add TooltipGiver component where previously hardcoded

* Add TooltipGiver.cs

* Revert "Add TooltipGiver component where previously hardcoded"

This reverts commit 45ef0fb0bc.

* Add TooltipGiver component where previously hardcoded

* Remove cherry-pick residue

Assets/Scripts/LevelEditor/TooltipGiver.cs

@@ -0,0 +1,17 @@
+using System.Collections;
+using System.Collections.Generic;
+using UnityEngine;
+
+namespace HeavenStudio.Editor
+{
+    public class TooltipGiver : MonoBehaviour
+    {
+        [SerializeField] private string TooltipText;
+
+        void Start()
+        {
+            Tooltip.AddTooltip(gameObject, TooltipText);
+
+        }
+    }
+}