Remove malihu-custom-scrollbar-plugin and use native scrollbars

[maliming]

Resolve #25967

Removes the MalihuCustomScrollbarPlugin*BundleContributor classes and the @abp/malihu-custom-scrollbar-plugin package; the docs, feature management and permission management pages scroll natively.

[Copilot]

Pull request overview

This PR removes the deprecated malihu-custom-scrollbar-plugin integration from ABP’s MVC UI packages and updates Docs, Feature Management, and Permission Management UIs to rely on native browser scrolling (with light CSS scrollbar styling where needed), aligning with #25967.

Changes:

• Removes the @abp/malihu-custom-scrollbar-plugin npm pack and the corresponding ASP.NET Core bundle contributors.
• Drops Malihu initialization code from Docs / Feature Management / Permission Management scripts and adjusts selectors that previously depended on Malihu’s DOM wrappers.
• Adds/updates CSS to enable native scrolling and (Firefox-focused) thin scrollbar styling in affected areas.

Reviewed changes

Copilot reviewed 18 out of 20 changed files in this pull request and generated no comments.

Show a summary per file

File	Description
npm/packs/malihu-custom-scrollbar-plugin/README.md	Deletes the deprecated npm pack documentation.
npm/packs/malihu-custom-scrollbar-plugin/package.json	Removes the deprecated @abp/malihu-custom-scrollbar-plugin pack definition.
npm/packs/malihu-custom-scrollbar-plugin/abp.resourcemapping.js	Removes Malihu resource mapping for bundling.
npm/packs/docs/package.json	Drops @abp/malihu-custom-scrollbar-plugin dependency from docs pack.
npm/packs/aspnetcore.mvc.ui.theme.shared/package.json	Drops @abp/malihu-custom-scrollbar-plugin dependency from shared theme pack.
modules/permission-management/src/Volo.Abp.PermissionManagement.Web/Pages/AbpPermissionManagement/permission-management-modal.js	Removes Malihu scrollbar initialization from permission management modal.
modules/feature-management/src/Volo.Abp.FeatureManagement.Web/Pages/FeatureManagement/feature-management-modal.js	Removes Malihu scrollbar initialization from feature management modal.
modules/feature-management/src/Volo.Abp.FeatureManagement.Web/Pages/FeatureManagement/feature-management-modal.css	Enables native scrolling and thin scrollbars for feature management modal sections.
modules/docs/src/Volo.Docs.Web/Pages/Documents/Shared/Styles/vs.scss	Removes Malihu-specific styling and adds native scrollbar styling for docs UI elements.
modules/docs/src/Volo.Docs.Web/Pages/Documents/Shared/Styles/vs.css	Updates generated CSS to match vs.scss changes.
modules/docs/src/Volo.Docs.Web/Pages/Documents/Shared/Styles/vs.css.map	Updates generated source map to match rebuilt CSS output.
modules/docs/src/Volo.Docs.Web/Pages/Documents/Shared/Scripts/vs.js	Removes Malihu initialization/resizing hooks from docs scripts.
modules/docs/src/Volo.Docs.Web/Pages/Documents/Project/index.js	Removes selectors that depended on Malihu-generated .mCSB_container wrappers.
modules/docs/src/Volo.Docs.Web/Pages/Documents/Project/Index.cshtml	Removes Malihu bundle contributor usage and Malihu-specific CSS class usage in markup.
framework/src/Volo.Abp.AspNetCore.Mvc.UI.Theme.Shared/Bundling/SharedThemeGlobalStyleContributor.cs	Removes Malihu style contributor dependency from shared theme global styles.
framework/src/Volo.Abp.AspNetCore.Mvc.UI.Theme.Shared/Bundling/SharedThemeGlobalScriptContributor.cs	Removes Malihu script contributor dependency from shared theme global scripts.
framework/src/Volo.Abp.AspNetCore.Mvc.UI.Packages/Volo/Abp/AspNetCore/Mvc/UI/Packages/MalihuCustomScrollbar/MalihuCustomScrollbarPluginStyleBundleContributor.cs	Deletes Malihu style bundle contributor implementation.
framework/src/Volo.Abp.AspNetCore.Mvc.UI.Packages/Volo/Abp/AspNetCore/Mvc/UI/Packages/MalihuCustomScrollbar/MalihuCustomScrollbarPluginScriptBundleContributor.cs	Deletes Malihu script bundle contributor implementation.
docs/en/framework/ui/mvc-razor-pages/theming.md	Removes Malihu mention from theming docs.
docs/en/framework/ui/mvc-razor-pages/overall.md	Removes Malihu mention from overall MVC UI docs.

Files not reviewed (1)

• modules/docs/src/Volo.Docs.Web/Pages/Documents/Shared/Styles/vs.css: Generated file

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[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 48.97%. Comparing base (3b702fa) to head (4d71b33).
⚠️ Report is 67 commits behind head on dev.

Additional details and impacted files

@@            Coverage Diff             @@
##              dev   #26000      +/-   ##
==========================================
- Coverage   48.99%   48.97%   -0.02%     
==========================================
  Files        3805     3813       +8     
  Lines      132259   132478     +219     
  Branches    10027    10038      +11     
==========================================
+ Hits        64796    64879      +83     
- Misses      65536    65666     +130     
- Partials     1927     1933       +6     

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