SequentMatcherUI Matchingsview fit

ui/src/main/java/edu/kit/iti/formal/psdbg/gui/controls/SequentMatcher.java

@@ -44,14 +44,13 @@ public class SequentMatcher extends BorderPane {
     private ListView<Map<String, MatchPath>>  matchingsView;
 
     @FXML
-    private Label nomatchings;
+    private Label nomatchings; //only shown when no matchings found, else always hidden
 
     private Map<PosInOccurrence, Range> cursorPosition = new HashMap<>();
 
     public SequentMatcher() {
         Utils.createWithFXML(this);
 
-        getStyleClass().add("sequent-view"); //TODO
 
         selectedGoalNodeToShow.addListener((observable, oldValue, newValue) -> {
                     sequentView.setGoal(newValue.getData().getGoal());

ui/src/main/resources/edu/kit/iti/formal/psdbg/gui/controls/SequentMatcher.fxml

@@ -52,7 +52,7 @@
                                         <Label text="Matches"/>
                                             <Pane>
                                                 <Label fx:id ="nomatchings" text="No matchings found" visible="false"/>
-                                                <ListView fx:id="matchingsView" prefWidth="650"/>
+                                                <ListView fx:id="matchingsView" prefWidth="800"/>
                                             </Pane>
 
                                 </VBox>