When `initialPage` changed, highlighted TabBar not changed.

[Arnoldnuo]

• [x] I have searched existing issues
• [x] I am using the latest scrollable tab view version

Description

When initialPage changed, highlighted TabBar not changed.

Steps to Reproduce

1. set initialPage to 0,
2. use setState change initialPage to 1

Expected Behavior

1. the second TabBar should be highlighted.

Actual Behavior

1. scrollableTabView display the second page, but the first tabbar is still highlighted.

[cristianolopessantos]

Same problem here.

[tochi]

Same problem here. This problem does not occur in iOS. It is occurring only on Android.