Clear one time options in clearOptions

This resolves an issue where currentTabIndex, for example, was not cleared properly
if it was set in initialOptions as it was cloned each time clearOptions was invoked.

lib/android/app/src/main/java/com/reactnativenavigation/parse/Options.java

@@ -139,8 +139,9 @@ public class Options {
         return this;
     }
 
-    public void clearOneTimeOptions() {
+    public Options clearOneTimeOptions() {
         bottomTabsOptions.currentTabId = new NullText();
         bottomTabsOptions.currentTabIndex = new NullNumber();
+        return this;
     }
 }

lib/android/app/src/main/java/com/reactnativenavigation/viewcontrollers/ParentController.java

@@ -118,7 +118,7 @@ public abstract class ParentController<T extends ViewGroup> extends ChildControl
 	@CallSuper
     protected void clearOptions() {
 	    applyOnParentController(parent -> ((ParentController) parent).clearOptions());
-        options = initialOptions.copy();
+        options = initialOptions.copy().clearOneTimeOptions();
     }
 
     public void setupTopTabsWithViewPager(ViewPager viewPager) {

lib/android/app/src/test/java/com/reactnativenavigation/viewcontrollers/BottomTabsControllerTest.java

@@ -47,6 +47,7 @@ public class BottomTabsControllerTest extends BaseTest {
 
     private Activity activity;
     private BottomTabsController uut;
+    private Options initialOptions = new Options();
     private ViewController child1;
     private ViewController child2;
     private ViewController child3;
@@ -258,6 +259,20 @@ public class BottomTabsControllerTest extends BaseTest {
                 .isEqualTo(((ViewGroup.MarginLayoutParams) child6.getView().getLayoutParams()).topMargin);
     }
 
+    @Test
+    public void oneTimeOptionsAreAppliedOnce() {
+        initialOptions.bottomTabsOptions.currentTabIndex = new Number(1);
+        BottomTabsController spy = spy(createBottomTabs());
+        spy.onViewAppeared();
+
+        assertThat(spy.getSelectedIndex()).isOne();
+        spy.selectTab(0);
+        tabs.get(0).onViewAppeared();
+        verify(spy).clearOptions();
+        assertThat(spy.getSelectedIndex()).isZero();
+        assertThat(spy.options.bottomTabsOptions.currentTabIndex.hasValue()).isFalse();
+    }
+
     @NonNull
     private List<ViewController> createTabs() {
         return Arrays.asList(child1, child2, child3, child4, child5);
@@ -282,7 +297,7 @@ public class BottomTabsControllerTest extends BaseTest {
                 eventEmitter,
                 imageLoaderMock,
                 "uut",
-                new Options(),
+                initialOptions,
                 new OptionsPresenter(activity, new Options()),
                 presenter,
                 new BottomTabOptionsPresenter(activity, tabs, new Options())) {