Clear onetime BottomTabs options after applying options

Now that BottomTabs options are applied on self, they need to be cleared after applying initial options.

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

@@ -70,4 +70,9 @@ public class BottomTabsOptions {
         if (!backgroundColor.hasValue()) backgroundColor = defaultOptions.backgroundColor;
         if (!titleDisplayMode.hasValue()) titleDisplayMode = defaultOptions.titleDisplayMode;
     }
+
+    public void clearOneTimeOptions() {
+        currentTabId = new NullText();
+        currentTabIndex = new NullNumber();
+    }
 }

lib/android/app/src/main/java/com/reactnativenavigation/viewcontrollers/bottomtabs/BottomTabsController.java

@@ -78,6 +78,8 @@ public class BottomTabsController extends ParentController implements AHBottomNa
         super.applyOptions(options);
         presenter.present(options);
         tabPresenter.present();
+        this.options.bottomTabsOptions.clearOneTimeOptions();
+        this.initialOptions.bottomTabsOptions.clearOneTimeOptions();
     }
 
     @Override