fix(WFCNG-21252): Add auto close to slidable

[thelukewalton]

I have added the required props that need to be passed into flutter_slidable to allow only a single comment / slidable to be open at a time according to these docs: https://github.com/letsar/flutter_slidable/wiki/FAQ#how-to-keep-only-one-slidable-open.

To facilitate this change, we need to add a SlidableAutoCloseBehavior in the widget tree, above the slidables, so I have altered ZdsBottomBarTheme as this is the only widget we have that should always wrap an app.

[github-actions]

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[Copilot]

Pull Request Overview

Adds automatic closing behavior for Slidable widgets so only one can be open at a time by introducing SlidableAutoCloseBehavior at the app root and new props on the slidable components.

• Wraps the entire app with SlidableAutoCloseBehavior via ZdsBottomBarTheme
• Extends ZdsSlidableListTile with closeOnScroll and groupTag parameters
• Extends ZdsComment with slidableCloseOnScroll and scrollableGroupTag parameters

Reviewed Changes

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

File	Description
lib/src/utils/theme/theme.dart	Imported flutter_slidable and wrapped child with SlidableAutoCloseBehavior in ZdsBottomBarTheme
lib/src/components/molecules/slidable_list_tile.dart	Added closeOnScroll and nullable groupTag, updated Slidable instantiation and diagnostics
lib/src/components/molecules/comment.dart	Added slidableCloseOnScroll and scrollableGroupTag, updated docs and diagnostics, but forgot to forward new tag

Comments suppressed due to low confidence (3)

lib/src/components/molecules/slidable_list_tile.dart:112

• Since groupTag has a non-null default value ('zds-slidable-list-tile'), consider making this property non-nullable (String) for clarity.

final String? groupTag;

lib/src/components/molecules/comment.dart:113

• [nitpick] The naming of scrollableGroupTag differs from groupTag in ZdsSlidableListTile. Consider aligning the parameter name (e.g. use groupTag) across both components for consistency.

final String? scrollableGroupTag;

lib/src/components/molecules/comment.dart:145

• The scrollableGroupTag property is added but never passed into ZdsSlidableListTile. Forward it to the slidable via groupTag: scrollableGroupTag to enable proper grouping.

closeOnScroll: slidableCloseOnScroll,

[github-actions]

Visit the preview URL for this PR (updated for commit 4a7d1db):

https://zds-c9c24--pr-83-fix-wfcng-21252-5wpcc3vp.web.app

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