Small File Chooser and Separator fixes (#9496)

* Fix FileChooser click-behind

* Fix separators not allowing a Table to shrink back when other cells change width

core/src/com/unciv/logic/files/FileChooser.kt

@@ -123,6 +123,7 @@ open class FileChooser(
 
     init {
         innerTable.top().left()
+        innerTable.touchable = Touchable.enabled
 
         fileList.selection.setProgrammaticChangeEvents(false)
         fileNameInput.setTextFieldListener { textField, _ -> result = textField.text }

core/src/com/unciv/ui/components/extensions/Scene2dExtensions.kt

@@ -428,9 +428,9 @@ fun Group.addBorderAllowOpacity(size:Float, color: Color): Group {
 
 
 /** get background Image for a new separator */
-private fun getSeparatorImage(color: Color) = ImageGetter.getDot(
+private fun getSeparatorImage(color: Color) = Image(ImageGetter.getWhiteDotDrawable().tint(
     if (color.a != 0f) color else BaseScreen.skin.getColor("color") //0x334d80
-)
+))
 
 /**
  * Create a horizontal separator as an empty Container with a colored background.
@@ -441,7 +441,7 @@ fun Table.addSeparator(color: Color = Color.WHITE, colSpan: Int = 0, height: Flo
     val separator = getSeparatorImage(color)
     val cell = add(separator)
         .colspan(if (colSpan == 0) columns else colSpan)
-        .minHeight(height).fillX()
+        .height(height).fillX()
     row()
     return cell
 }

core/src/com/unciv/ui/images/ImageGetter.kt

@@ -172,6 +172,7 @@ object ImageGetter {
     }
 
     fun getWhiteDot() = getImage(whiteDotLocation).apply { setSize(1f) }
+    fun getWhiteDotDrawable() = textureRegionDrawables[whiteDotLocation]!!
     fun getDot(dotColor: Color) = getWhiteDot().apply { color = dotColor }
 
     fun getExternalImage(fileName: String): Image {