### Steps to reproduce

1. Login and open any work package, then go to Relations tab (just one example of searching for work packages)

2. Add a new relation and search for a work package in order to link it


### What is the buggy behavior?

* Search results are listed oldest on top


<img class="image_resized op-uc-image op-uc-image_inline" style="width:527px;" src="/api/v3/attachments/402781/content">

### What is the expected behavior?

1. Search results should be listed Begin of the insertionlatest updated descendingEnd of the insertion Begin of the deletion newestEnd of the deletion on Begin of the insertiontop,End of the insertion Begin of the deletion topEnd of the deletion just like in the web app. Begin of the insertion

2. End of the insertion As a user, I work more with Begin of the insertiontheEnd of the insertion latest work packages than with the oldest ones. It should be fixed everywhere where we search.


### Environment information

**OpenProject version**

_1.2.0_

**Operating System**

* [ ] Windows
* [ ] Mac OS X
* [ ] Mobile iOS
* [x] Mobile Android
* [ ] Linux (please specify distro)
* [ ] Chrome OS
* [ ] Other (please specify)