Chore: fix long line class paths in fxml files by using imports

Refs #122

src/main/resources/ui-structure/Casinogameui.fxml

@@ -4,11 +4,12 @@
 <?import javafx.scene.layout.*?>
 <?import javafx.geometry.Insets?>
 <?import javafx.scene.image.*?>
+<?import ch.unibas.dmi.dbis.cs108.casono.client.ui.gameui.CasinoGameController?>
 
 <!-- Main container: Links the UI to the CasinoGameController and loads Casinogameui.css -->
 <AnchorPane xmlns="http://javafx.com/javafx/21"
             xmlns:fx="http://javafx.com/fxml/1"
-            fx:controller="ch.unibas.dmi.dbis.cs108.casono.client.ui.gameui.CasinoGameController"
+            fx:controller="CasinoGameController"
             styleClass="background"
             stylesheets="@Casinogameui.css">
 

src/main/resources/ui-structure/Casinomainui.fxml

@@ -3,10 +3,11 @@
 <?import javafx.scene.control.*?>
 <?import javafx.scene.layout.*?>
 <?import javafx.geometry.Insets?>
+<?import ch.unibas.dmi.dbis.cs108.casono.client.ui.lobbyui.CasinomainuiController?>
 
 <AnchorPane xmlns="http://javafx.com"
             xmlns:fx="http://javafx.com"
-            fx:controller="ch.unibas.dmi.dbis.cs108.casono.client.ui.lobbyui.CasinomainuiController"
+            fx:controller="CasinomainuiController"
             styleClass="anchor-pane-bg"
             stylesheets="@Casinomainui.css">
 

src/main/resources/ui-structure/gameuicomponents/HighscoreView.fxml

@@ -6,11 +6,12 @@
 <?import javafx.scene.control.ListView?>
 <?import javafx.scene.layout.HBox?>
 <?import javafx.scene.layout.VBox?>
+<?import ch.unibas.dmi.dbis.cs108.casono.client.ui.gameuicomponents.HighscoreViewController?>
 
 <VBox fx:id="highscoreRoot"
     xmlns="http://javafx.com/javafx/21"
       xmlns:fx="http://javafx.com/fxml/1"
-      fx:controller="ch.unibas.dmi.dbis.cs108.casono.client.ui.gameui.gameuicomponents.HighscoreViewController"
+      fx:controller="HighscoreViewController"
       spacing="12"
       styleClass="highscore-root"
     onMousePressed="#onPopupPressed"

src/main/resources/ui-structure/gameuicomponents/Playerstatus.fxml

@@ -4,6 +4,7 @@
 <?import javafx.scene.layout.*?>
 <?import javafx.scene.image.ImageView?>
 <?import javafx.geometry.Insets?>
+<?import ch.unibas.dmi.dbis.cs108.casono.client.ui.gameuicomponents.PlayerStatusController?>
 
 <!--
 TODO: Main placeholder for player status & input.
@@ -16,7 +17,7 @@ and status displays will be dynamically populated with real-time data from the s
 <VBox fx:id="playerStatusBox"
       xmlns="http://javafx.com/javafx/21"
       xmlns:fx="http://javafx.com/fxml/1"
-      fx:controller="ch.unibas.dmi.dbis.cs108.casono.client.ui.gameui.gameuicomponents.PlayerStatusController"
+      fx:controller="PlayerStatusController"
       styleClass="player-status-pane"
       prefWidth="200"
       spacing="5">

src/main/resources/ui-structure/gameuicomponents/Taskbar.fxml

@@ -3,11 +3,11 @@
 <?import javafx.scene.control.*?>
 <?import javafx.scene.layout.*?>
 <?import javafx.geometry.Insets?>
-
+<?import ch.unibas.dmi.dbis.cs108.casono.client.ui.gameuicomponents.TaskbarController?>
 <!-- movable taskbar -->
 <HBox xmlns="http://javafx.com/javafx/21"
       xmlns:fx="http://javafx.com/fxml/1"
-      fx:controller="ch.unibas.dmi.dbis.cs108.casono.client.ui.gameui.gameuicomponents.TaskbarController"
+      fx:controller="TaskbarController"
       fx:id="taskbar"
       styleClass="taskbar"
       spacing="15"

src/main/resources/ui-structure/gameuicomponents/chatui/chatbox.fxml

@@ -3,6 +3,7 @@
 <?import javafx.geometry.*?>
 <?import javafx.scene.control.*?>
 <?import javafx.scene.layout.*?>
+<?import ch.unibas.dmi.dbis.cs108.casono.client.ui.gameuicomponents.ChatViewController?>
 
 <!--
     Dieses Fenster wird später mit den Serveranfragen verknüpft,
@@ -19,7 +20,7 @@
 
 <VBox xmlns="http://javafx.com/javafx/21"
       xmlns:fx="http://javafx.com/fxml/1"
-      fx:controller="ch.unibas.dmi.dbis.cs108.casono.client.ui.chatui.ChatViewController"
+      fx:controller="ChatViewController"
       alignment="CENTER"
       stylesheets="@chatui.css">