NPE while inflating menu items
## About this issue

- I am using menu items and toolbar which have icons set from IconicsDrawable

Log:

```
 android.view.InflateException: Binary XML file line #17: Binary XML file line #17: Error inflating class androidx.appcompat.view.menu.ActionMenuItemView
    Caused by: android.view.InflateException: Binary XML file line #17: Error inflating class androidx.appcompat.view.menu.ActionMenuItemView
    Caused by: java.lang.NullPointerException: Attempt to invoke virtual method 'boolean androidx.appcompat.view.menu.MenuItemImpl.showsTextAsAction()' on a null object reference
        at androidx.appcompat.view.menu.ActionMenuItemView.updateTextButtonVisibility(ActionMenuItemView.java:190)
        at androidx.appcompat.view.menu.ActionMenuItemView.setIcon(ActionMenuItemView.java:233)
        at com.mikepenz.iconics.context.IconicsFactory.onViewCreatedInternal(IconicsFactory.kt:55)
        at com.mikepenz.iconics.context.IconicsFactory.onViewCreated(IconicsFactory.kt:39)
        at com.mikepenz.iconics.context.InternalLayoutInflater$PrivateWrapperFactory2.onCreateView(InternalLayoutInflater.kt:233)
        at android.view.LayoutInflater$FactoryMerger.onCreateView(LayoutInflater.java:186)
        at android.view.LayoutInflater.createViewFromTag(LayoutInflater.java:811)
        at android.view.LayoutInflater.createViewFromTag(LayoutInflater.java:750)
        at android.view.LayoutInflater.inflate(LayoutInflater.java:492)
        at com.mikepenz.iconics.context.InternalLayoutInflater.inflate(InternalLayoutInflater.kt:80)
        at android.view.LayoutInflater.inflate(LayoutInflater.java:423)
        at androidx.appcompat.view.menu.BaseMenuPresenter.createItemView(BaseMenuPresenter.java:167)
        at androidx.appcompat.view.menu.BaseMenuPresenter.getItemView(BaseMenuPresenter.java:186)
        at androidx.appcompat.widget.ActionMenuPresenter.getItemView(ActionMenuPresenter.java:193)
        at androidx.appcompat.widget.ActionMenuPresenter.flagActionItems(ActionMenuPresenter.java:473)
        at androidx.appcompat.view.menu.MenuBuilder.flagActionItems(MenuBuilder.java:1182)
        at androidx.appcompat.view.menu.BaseMenuPresenter.updateMenuView(BaseMenuPresenter.java:96)
        at androidx.appcompat.widget.ActionMenuPresenter.updateMenuView(ActionMenuPresenter.java:226)
        at androidx.appcompat.view.menu.MenuBuilder.dispatchPresenterUpdate(MenuBuilder.java:298)
        at androidx.appcompat.view.menu.MenuBuilder.onItemsChanged(MenuBuilder.java:1069)
        at androidx.appcompat.view.menu.MenuBuilder.startDispatchingItemsChanged(MenuBuilder.java:1096)
        at androidx.appcompat.app.ToolbarActionBar.populateOptionsMenu(ToolbarActionBar.java:461)
        at androidx.appcompat.app.ToolbarActionBar$1.run(ToolbarActionBar.java:56)
        at android.os.Handler.handleCallback(Handler.java:873)
        at android.os.Handler.dispatchMessage(Handler.java:99)
        at android.os.Looper.loop(Looper.java:226)
        at android.app.ActivityThread.main(ActivityThread.java:7179)
        at java.lang.reflect.Method.invoke(Native Method)
        at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:576)
        at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:942)
```

## Details

- [x] Used library version- v4.0.2
- [x] Used support library version - 1.1.0
- [x] Used gradle build tools version - 29.0.2
- [x] Used tooling / Android Studio version - Android Studio 3.5.1
- [x] Other used libraries, potential conflicting libraries

## Checklist

- [x] Searched for [similar issues](https://github.com/mikepenz/Android-Iconics/issues)
- [x] Checked out the [sample application](https://github.com/mikepenz/Android-Iconics/tree/develop/app)
- [x] Read the [README](https://github.com/mikepenz/Android-Iconics/blob/develop/README.md)
- [x] Checked out the [CHANGELOG](https://github.com/mikepenz/Android-Iconics/releases)
- [x] Read the [FAQ](https://github.com/mikepenz/Android-Iconics/blob/develop/FAQ.md)
- [x] Checked out the [MIGRATION GUIDE](https://github.com/mikepenz/Android-Iconics/blob/develop/MIGRATION.md)
