Initialize radio button before binding settings to it

The usesIndividualMountPath setting will be cleared if it bind to
an uninitialized radio button. This patch sets radio button with
current settings before binding the setting to the radio button.

main/ui/src/main/java/org/cryptomator/ui/vaultoptions/MountOptionsController.java

@@ -84,12 +84,7 @@ public class MountOptionsController implements FxController {
 		driveLetterSelection.getItems().addAll(windowsDriveLetters.getAllDriveLetters());
 		driveLetterSelection.setConverter(new WinDriveLetterLabelConverter(windowsDriveLetters));
 		driveLetterSelection.setValue(vault.getVaultSettings().winDriveLetter().get());
-		vault.getVaultSettings().usesIndividualMountPath().bind(mountPoint.selectedToggleProperty().isEqualTo(mountPointCustomDir));
-		vault.getVaultSettings().winDriveLetter().bind( //
-				Bindings.when(mountPoint.selectedToggleProperty().isEqualTo(mountPointWinDriveLetter)) //
-						.then(driveLetterSelection.getSelectionModel().selectedItemProperty()) //
-						.otherwise((String) null) //
-		);
+
 		if (vault.getVaultSettings().usesIndividualMountPath().get()) {
 			mountPoint.selectToggle(mountPointCustomDir);
 		} else if (!Strings.isNullOrEmpty(vault.getVaultSettings().winDriveLetter().get())) {
@@ -97,6 +92,13 @@ public class MountOptionsController implements FxController {
 		} else {
 			mountPoint.selectToggle(mountPointAuto);
 		}
+
+		vault.getVaultSettings().usesIndividualMountPath().bind(mountPoint.selectedToggleProperty().isEqualTo(mountPointCustomDir));
+		vault.getVaultSettings().winDriveLetter().bind( //
+				Bindings.when(mountPoint.selectedToggleProperty().isEqualTo(mountPointWinDriveLetter)) //
+						.then(driveLetterSelection.getSelectionModel().selectedItemProperty()) //
+						.otherwise((String) null) //
+		);
 	}
 
 	@FXML