[Port dspace-7_x] Check cssRules before css variables are read from stylesheet#2547

Merged

alanorth merged 2 commits intodspace-7_xfrom backport-2454-to-dspace-7_x

Oct 17, 2023

+11

Commits on Oct 17, 2023

check cssRules existence before css variables are get from stylesheet

floriangantner
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github-actions[bot]
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checkstyle remove unused extra lines

floriangantner
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