Refactoring some functions that generate bugs on ScrollView (fix issue #8644)

[JLucasXavier]

I carried out the refactoring recommended in the bug issue, which after testing was seen to resolve the scrolling effects issues. This should resolve issue #8644

Maintainer merge checklist

• [ ] Title is descriptive/clear for inclusion in release notes.
• [ ] Applied a Component: xxx label.
• [ ] Applied the api-deprecation or api-break label.
• [ ] Applied the release-highlight label to be highlighted in release notes.
• [ ] Added to the milestone version it was merged into.
• [ ] Unittests are included in PR.
• [ ] Properly documented, including versionadded, versionchanged as needed.