Add gui test for launch dialog

PlayWall/pom.xml

PlayWall/src/main/java/de/tobias/playpad/PlayPadImpl.java

PlayWall/src/main/java/de/tobias/playpad/PlayPadMain.java

...main/java/de/tobias/playpad/server/ServerHandlerImpl.java

...n/java/de/tobias/playpad/viewcontroller/LaunchDialog.java

...va/de/tobias/playpad/viewcontroller/LaunchDialogTest.java

PlayWall/src/test/resources/config/application.yml

PlayWall/src/test/resources/config/libLogger.yml

...e/tobias/playpad/project/ref/ProjectReferenceManager.java