sonar cloud issues solved

src/main/java/org/cryptomator/ui/preferences/VolumePreferencesController.java

@@ -10,7 +10,6 @@ import org.cryptomator.ui.common.FxController;
 import javax.inject.Inject;
 import javafx.application.Application;
 import javafx.beans.binding.Bindings;
-import javafx.beans.binding.BooleanExpression;
 import javafx.beans.value.ObservableValue;
 import javafx.scene.control.Button;
 import javafx.scene.control.ChoiceBox;

src/main/java/org/cryptomator/ui/unlock/UnlockWorkflow.java

@@ -87,7 +87,7 @@ public class UnlockWorkflow extends Task<Void> {
 		});
 	}
 
-	private void handleFuseRestartRequiredError(FuseRestartRequiredException fRRE) {
+	private void handleFuseRestartRequiredError() {
 		Platform.runLater(() -> {
 			window.setScene(fuseRestartRequiredScene.get());
 			window.show();
@@ -124,8 +124,8 @@ public class UnlockWorkflow extends Task<Void> {
 		Throwable throwable = super.getException();
 		if(throwable instanceof IllegalMountPointException impe) {
 			handleIllegalMountPointError(impe);
-		} else if (throwable instanceof FuseRestartRequiredException e) {
-			handleFuseRestartRequiredError(e);
+		} else if (throwable instanceof FuseRestartRequiredException _) {
+			handleFuseRestartRequiredError();
 		} else {
 			handleGenericError(throwable);
 		}