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

         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

 	@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

 
     private Activity activity;
     private BottomTabsController uut;
+    private Options initialOptions = new Options();
     private ViewController child1;
     private ViewController child2;
     private ViewController child3;
                 .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);
                 eventEmitter,
                 imageLoaderMock,
                 "uut",
-                new Options(),
+                initialOptions,
                 new OptionsPresenter(activity, new Options()),
                 presenter,
                 new BottomTabOptionsPresenter(activity, tabs, new Options())) {