fix(design): remove share icon if listed in share-list

[datenangebot]

closes #530

[juliusknorr]

Strange, why is eslint not complaining about the spaces

[juliusknorr]

Might be an upstream issue https://github.com/nextcloud-libraries/eslint-config/blob/master/parts/vue.js#L9 is not setting https://eslint.vuejs.org/rules/script-indent.html

[github-actions]

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