Style fixes

android/app/src/main/java/com/reactnativenavigation/activities/BottomTabActivity.java

 
     public Screen resetTo(Screen screen) {
         super.resetTo(screen);
+        StyleHelper.updateStyles(mToolbar, screen);
         return mScreenStacks.get(mCurrentStackPosition).resetTo(screen);
     }
 

android/app/src/main/java/com/reactnativenavigation/activities/SingleScreenActivity.java

     public Screen resetTo(Screen screen) {
         super.resetTo(screen);
         Screen popped = mScreenStack.resetTo(screen);
+        StyleHelper.updateStyles(mToolbar, screen);
         return popped;
     }
 

android/app/src/main/java/com/reactnativenavigation/activities/TabActivity.java

 import com.reactnativenavigation.adapters.ViewPagerAdapter;
 import com.reactnativenavigation.core.RctManager;
 import com.reactnativenavigation.core.objects.Screen;
+import com.reactnativenavigation.utils.StyleHelper;
 import com.reactnativenavigation.views.RnnTabLayout;
 import com.reactnativenavigation.views.RnnToolBar;
 
     @Override
     public void push(Screen screen) {
         super.push(screen);
-        setNavigationStyle(screen);
+        StyleHelper.updateStyles(mToolbar, screen);
         mAdapter.push(screen);
     }