product breadcrumbs - check if current category is not highest one

[gibkigonzo]

Short description and why it's useful

Fixes error with breadrucmbs when opens product from compare page.

QA:

• add something to the compare from the homepage (from women category)
• go to mens / jackets cat.
• open compare and click the product you added
• again go to mens / jackets cat.
• open compare and click the product you added
• check the breadcrumbs - it's wrong

Which environment this relates to

Check your case. In case of any doubts please read about Release Cycle

• Test version (https://test.storefrontcloud.io) - this is a new feature or improvement for Vue Storefront. I've created branch from develop branch and want to merge it back to develop
• RC version (https://next.storefrontcloud.io) - this is a stabilisation fix for Release Candidate of Vue Storefront. I've created branch from release branch and want to merge it back to release
• Stable version (https://demo.storefrontcloud.io) - this is an important fix for current stable version. I've created branch from hotfix or master branch and want to merge it back to hotfix

Upgrade Notes and Changelog

• No upgrade steps required (100% backward compatibility and no breaking changes)
• I've updated the Upgrade notes and Changelog on how to port existing VS sites with this new feature

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Contribution and currently important rules acceptance

• I read and followed contribution rules