results-back-button in cris-layout

[floriangantner]

References

Add references/links to any related issues or PRs. These may include:

• Fixes Back to results button in cris layout #32

Description

Port the results-back-button from Dspace 7.5 to the cris layout.
DSpace#1995

Instructions for Reviewers

List of changes in this PR:

• add the back to results search buttons beneath the breadcrumbs
• go to search or mydpace and click on some search result. The button should be shown.
• call the item directly or by some referenced item. The button is not shown.

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Checklist

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• My PR is small in size (e.g. less than 1,000 lines of code, not including comments & specs/tests), or I have provided reasons as to why that's not possible.
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[floriangantner]

Aligned to 2023.02.02 Release