fix: light/shadebox would get tilewise size of 2 when their hitbox size is set to 16

src/net/torvald/terrarum/modulebasegame/ui/UIScreenZoom.kt

@@ -26,7 +26,7 @@ class UIScreenZoom : UICanvas(
     override var width = App.fontGame.getWidth(zoomText)
     override var height = App.fontGame.lineHeight.toInt()
 
-    override var openCloseTime = COMMON_OPEN_CLOSE
+    override var openCloseTime = 0.25f
 
     override val mouseUp = false
 

src/net/torvald/terrarum/modulebasegame/ui/UIWorldPortal.kt

@@ -25,11 +25,6 @@ class UIWorldPortal : UICanvas() {
 
 
 
-    val gradStartCol = Color(0x404040_60)
-    val gradEndCol   = Color(0x000000_70)
-    val gradHeight = 48f
-
-
     val controlHelpHeight = App.fontGame.lineHeight
 
     private var panelTransitionLocked = false