### Acceptance

* Begin of the insertion[x]End of the insertion Begin of the deletion [ ]End of the deletion The work package side menu is completely rendered from rails
* Begin of the insertion[x]End of the insertion Begin of the deletion [ ]End of the deletion Use the existing SidemenuComponent
* Begin of the insertion[x]End of the insertion Begin of the deletion [ ]End of the deletion Follow the same controller approach we introduced e.g for members or project list
* Begin of the insertion[x]End of the insertion Begin of the deletion [ ]End of the deletion The new sidebar should cover all functionalities the old one had
* Begin of the insertion[x]End of the insertion Begin of the deletion [ ]End of the deletion Highlighting of the current query
* Begin of the insertion[x]End of the insertion Begin of the deletion [ ]End of the deletion Search function (to be implemented in <mention class="mention" data-id="52555" data-type="work_package" data-text="#52555">#52555</mention> )
* Begin of the insertion[x]End of the insertion Begin of the deletion [ ]End of the deletion Collapsible sections (&quot;Favorite&quot;, &quot;Default&quot;, &quot;Public&quot;, &quot;Private&quot;)