fix overflow bug cause 2 expanded in the same column

[mahmoudr80]

Description

There are 2 Expanded widgets in the same column in the add_chapter_screen, so there is an overflow
Fixes # (issue)
Replace one Expanded with a Flexible widget

Type of change

Please delete options that are not relevant.

• [o] Bug fix (non-breaking CHANGE which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to not work as expected)
• Refactor (does not change functionality, e.g. code style improvements, linting)
• Documentation update

How Has This Been Tested?

I used multiple emulator to test this bug

Please include screenshots below if applicable.

Checklist:

• [o] My code follows the style guidelines of this project
• [p] I have performed a self-review of my own code
• [o] I have commented my code, particularly in hard-to-understand areas
• I have made corresponding changes to the documentation
• [o] My changes generate no new warnings
• I have added tests that prove my fix is effective or that my feature works
• [o] New and existing unit tests pass locally with my changes
• Any dependent changes have been merged and published in downstream modules
• [o] I have checked my code and corrected any misspellings

Maintainer Checklist

• [o] closes overflow in add_chapter_screen #803
• Tag the PR with the appropriate labels

Summary by CodeRabbit

• Style
  • Adjusted layout constraints for the chapters list to improve space allocation within the screen layout.

[github-actions]

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ℹ️ Recent review info

⚙️ Run configuration

Configuration used: defaults

Review profile: CHILL

Plan: Pro

Run ID: a43af7bd-d99f-43a0-8467-7500b981d5c5

📥 Commits

Reviewing files that changed from the base of the PR and between bf1dbe2 and 6837b03.

📒 Files selected for processing (1)

• lib/views/screens/add_chapter_screen.dart

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📝 Walkthrough

Walkthrough

A layout constraint in the add_chapter_screen was changed from Expanded to Flexible for the "newChapters" list within a Column. This resolves an overflow issue caused by having two Expanded widgets competing for flex space in the same column.

Changes

Cohort / File(s)	Summary
Layout Constraint Fix lib/views/screens/add_chapter_screen.dart	Changed Expanded widget to Flexible for the newChapters list to prevent overflow when multiple flex widgets share the same column.

Estimated code review effort

🎯 1 (Trivial) | ⏱️ ~2 minutes

Poem

🐰 Two Expandeds caused quite the squeeze,
Column overflow, not at ease!
Flexible now bends with gentle grace,
Layout fixed—no more crowded space! ✨

🚥 Pre-merge checks | ✅ 5

✅ Passed checks (5 passed)

Check name	Status	Explanation
Description Check	✅ Passed	Check skipped - CodeRabbit’s high-level summary is enabled.
Title check	✅ Passed	The title clearly identifies the specific bug fix: replacing two Expanded widgets with one Flexible in the same Column to resolve an overflow issue.
Linked Issues check	✅ Passed	The PR successfully addresses issue #803 by replacing one Expanded widget with a Flexible widget in add_chapter_screen, directly implementing the proposed fix.
Out of Scope Changes check	✅ Passed	All changes are directly related to fixing the overflow bug in add_chapter_screen; no out-of-scope modifications are present.
Docstring Coverage	✅ Passed	No functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check.

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✨ Finishing Touches

🧪 Generate unit tests (beta)

• Create PR with unit tests

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