Added the unlock menu thing

Assets/Scripts/UI/BasicUpgradeButton.cs

@@ -106,20 +106,15 @@ namespace Fruitomation.UI
             UpgradeLines = lines.ToArray();
         }
 
-        private void OnButtonClicked()
-        {
-            if (Cost == 0f)
-            {
-                Debug.LogWarning("Upgrade Cost has not been set");
-                return;
-            }
-
-            if (MoneyController.CanBuy(Cost))
-            {
-                UpgradeManager.Unlock(Upgrade);
-            }
-        }
-
+        private void OnButtonClicked() => UpgradeBoard.Enable
+        (
+            Upgrade,
+            Inputs,
+            Outputs,
+            Building,
+            Cost
+        );
+        
         private bool IsUnlockable =>
             RequiredUpgrades.Length == 0 ||
             RequiredUpgrades.All(required => required.IsUnlocked);
@@ -170,7 +165,8 @@ namespace Fruitomation.UI
                 State = UpgradeState.Hidden;
             }
 
-            AttachedButton.interactable = State == UpgradeState.Unlockable;
+            AttachedButton.interactable =
+                State is UpgradeState.Unlockable or UpgradeState.Unlocked;
 
             string cost = Cost == 0f ? "UNAVAILABLE" : $"{Cost:F1}";