Fix: a visual bug where bullet point spacing chagnes when toggling line-level directionality.

[Alspb]

Description

Fixes a visual bug where bullet point spacing chagnes when toggling line-level directionality.

The Problem:
In a standard LTR editor, when a line in an unordered list is toggled to RTL format, the visual space between the bullet point (•) and the actual text dramatically inflates.

The Solution:
Wrap Directionality around the layout's leading widget.

Before the fix:

After the fix:

Type of Change

• ✨ Feature: New functionality without breaking existing features.
• 🛠️ Bug fix: Resolves an issue without altering current behavior.
• 🧹 Refactor: Code reorganization, no behavior change.
• ❌ Breaking: Alters existing functionality and requires updates.
• 🧪 Tests: New or modified tests
• 📝 Documentation: Updates or additions to documentation.
• 🗑️ Chore: Routine tasks, or maintenance.
• ✅ Build configuration change: Build/configuration changes.

[Copilot]

Pull request overview

Fixes an RTL/LTR rendering edge case in list items by ensuring the list “leading” (e.g., bullet/number/checkbox) is laid out using the editor’s base TextDirection, preventing the marker-to-text gap from expanding when line-level directionality is toggled.

Changes:

• Wrap the list leading widget in a Directionality set to the editor/base textDirection.
• Refactor leading construction into a local variable for clearer conditional wrapping.
• Update the example app toolbar to display the direction toggle button, and document the fix in the changelog.

Reviewed changes

Copilot reviewed 3 out of 3 changed files in this pull request and generated no comments.

File	Description
lib/src/editor/widgets/text/text_block.dart	Locks list leading widgets to the editor’s base direction to keep marker spacing stable when a line toggles RTL/LTR.
example/lib/main.dart	Enables the direction toggle in the example toolbar (showDirection: true).
CHANGELOG.md	Adds an Unreleased “Fixed” entry describing the bullet spacing issue and resolution.

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