Extended textfield width for filepath in OpenProgramView so more of the path...

Extended textfield width for filepath in OpenProgramView so more of the path should be visible to the user.

src/ui/OpenProgramView.java

@@ -31,7 +31,7 @@ public class OpenProgramView extends Pane {
         programField.setLayoutX(60);
         programField.setLayoutY(500);
         programField.setStyle("-fx-background-color: #2c2f33; -fx-text-fill: white; -fx-font-size: 30; " +
-                "-fx-pref-width: 400px; -fx-pref-height: 50px;");
+                "-fx-pref-width: 600px; -fx-pref-height: 50px;");
 
         //Available options to select in the text field
         String[] keyToBindOptions = lists.getOptionstoPress();