perf(kanvas): lazy-load non-critical sections and reduce unused JavaS…

[Azizah2023]

Description

Changes

• Lazy-load non-critical sections on the Kanvas page using import() + useEffect.
• Defer loading of non-critical Kanvas sections — Reviews, TeaserModal, KanvasFeatures, Catalog, KanvasBtn, and Platform — to reduce unused JavaScript and improve initial page performance.
• Performance before

• Performance after

Notes

• This is a clean replacement for previous work on branch fix/seo-alt-links-kanvas, which became noisy after syncing with master.

This PR fixes #
#7110

Notes for Reviewers

Signed commits

• Yes, I signed my commits.

[l5io]

🚀 Preview for commit 96d1cc0 at: https://6922e1d23100b6619275b4a6--layer5.netlify.app

[saurabhraghuvanshii]

@Azizah2023 Please remove all unnecessary lint changes such as extra lines and spaces, and keep only the original logic.

[l5io]

🚀 Preview for commit dbaf1ba at: https://6922f3322f7dd379d9da1bc4--layer5.netlify.app

[l5io]

🚀 Preview for commit c0877e6 at: https://692591ed3e676a76d57e9e24--layer5.netlify.app

[kishore08-07]

Checks are currently failing, possibly due to the latest Gatsby update
Other than that, the changes look good to me @Azizah2023

[kishore08-07]

@Azizah2023
kindly resolve the merge conflicts

[Fireentity]

@Azizah2023
Please ensure that your commit messages are meaningful rather than repeating the same message, as we need a clear history of changes. Finally, I noticed some files only contain formatting updates (like spacing). Please revert those specific modifications so we can keep the pull request focused strictly on functional code changes.

[Fireentity]

@Azizah2023 Thank you for your contribution! Let's discuss this during the website call today at 6:30 PM IST | 8 AM CT Add it as an agenda item to the meeting minutes, if you would 🙂