Make the editor take the full height size

Author: tobiasbriones

client/src/main/java/io/github/tobiasbriones/cp/rmifilesystem/client/content/editor/EditorView.java

@@ -20,6 +20,7 @@
 import javafx.scene.control.Label;
 import javafx.scene.control.TextArea;
 import javafx.scene.layout.HBox;
+import javafx.scene.layout.Priority;
 import javafx.scene.layout.VBox;
 
 /**
@@ -72,6 +73,7 @@ public void createView() {
         actionPane.setAlignment(Pos.CENTER_RIGHT);
         actionPane.setPadding(new Insets(8, 0, 8, 0));
 
+        VBox.setVgrow(contentArea, Priority.ALWAYS);
         getChildren().addAll(
             fileLabel,
             contentArea,