overflow in add_chapter_screen

[mahmoudr80]

🐛 Describe the bug

There are 2 Expanded widgets in the same column in the add_chapter_screen, so there is an overflow

fix:
Replace one Expanded with a Flexible widget

[github-actions]

👋 Hello @mahmoudr80!
Thank you for opening this issue. Our team will review it soon. 🚀

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[Mayank4352]

Hey @mahmoudr80, Kindly share a screen shot for the above mentioned issue also kindly open PRs for dev branch only