Update src/main/java/org/terasology/computer/display/component/Displa…

…yComponent.java

Co-authored-by: Tobias Nett <skaldarnar@googlemail.com>

src/main/java/org/terasology/computer/display/component/DisplayComponent.java

@@ -54,7 +54,7 @@ public void setData(List<String> data) {
 
     @Override
     public void copyFrom(DisplayComponent other) {
-        this.monitorSize = other.monitorSize;
+        this.monitorSize.set(other.monitorSize);
         this.front = other.front;
         this.mode = other.mode;
         this.data.clear();