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Make sure the DOM object is there before using it
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@ -782,7 +782,7 @@ export abstract class EgwApp
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})
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})
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.addClass("ui-helper-clearfix");
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.addClass("ui-helper-clearfix");
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let el = document.getElementById('favorite_sidebox_'+this.appname).getElementsByTagName('ul')[0];
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let el = document.getElementById('favorite_sidebox_'+this.appname)?.getElementsByTagName('ul')[0];
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let sortablejs = Sortable.create(el, {
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let sortablejs = Sortable.create(el, {
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ghostClass: 'ui-fav-sortable-placeholder',
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ghostClass: 'ui-fav-sortable-placeholder',
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draggable: 'li:not([data-id$="add"])',
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draggable: 'li:not([data-id$="add"])',
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