Cleanup fxml namespace

PlayWall/src/main/resources/view/option/layout/ModernLayoutCart.fxml

 <?xml version="1.0" encoding="UTF-8"?>
 
 <?import javafx.geometry.Insets?>
-<?import javafx.scene.control.Button?>
-<?import javafx.scene.control.CheckBox?>
-<?import javafx.scene.control.Label?>
-<?import javafx.scene.layout.HBox?>
-<?import javafx.scene.layout.VBox?>
-
-<VBox spacing="14.0" xmlns="http://javafx.com/javafx/16" xmlns:fx="http://javafx.com/fxml/1">
+<?import javafx.scene.control.*?>
+<?import javafx.scene.layout.*?>
+<VBox spacing="14.0" xmlns="http://javafx.com/javafx/8" xmlns:fx="http://javafx.com/fxml/1">
     <children>
         <HBox spacing="14.0">
             <children>

PlayWall/src/main/resources/view/option/pad/LayoutTab.fxml

@@ -2,11 +2,8 @@
 
 <?import javafx.geometry.Insets?>
 <?import javafx.scene.control.Label?>
-<?import javafx.scene.layout.AnchorPane?>
-<?import javafx.scene.layout.HBox?>
-<?import javafx.scene.layout.VBox?>
-
-<VBox spacing="14.0" xmlns="http://javafx.com/javafx/16" xmlns:fx="http://javafx.com/fxml/1">
+<?import javafx.scene.layout.*?>
+<VBox spacing="14.0" xmlns="http://javafx.com/javafx/8" xmlns:fx="http://javafx.com/fxml/1">
     <children>
         <HBox layoutX="14.0" layoutY="13.0" spacing="14.0" AnchorPane.leftAnchor="14.0" AnchorPane.rightAnchor="14.0" AnchorPane.topAnchor="14.0">
             <children>

PlayWall/src/main/resources/view/option/pad/PlaylistTab.fxml

 <?xml version="1.0" encoding="UTF-8"?>
 
-<?import javafx.geometry.Insets?>
-<?import javafx.scene.control.Button?>
-<?import javafx.scene.control.CheckBox?>
-<?import javafx.scene.control.Label?>
-<?import javafx.scene.control.ListView?>
-<?import javafx.scene.layout.HBox?>
-<?import javafx.scene.layout.VBox?>
-
-<VBox xmlns="http://javafx.com/javafx/17" xmlns:fx="http://javafx.com/fxml/1">
+<?import javafx.geometry.*?>
+<?import javafx.scene.control.*?>
+<?import javafx.scene.layout.*?>
+<VBox xmlns="http://javafx.com/javafx/8" xmlns:fx="http://javafx.com/fxml/1">
    <children>
       <VBox spacing="14">
          <children>