### Steps to reproduce

###

####

1. Go to Administration > Times and Costs > Defaults > Costs tab

2. In both 'Currency' and 'Format of currency', add emojis

3. Save


### What is the buggy behaviour?

* Save is successful 


### What is the expected behaviour?

* Begin of the insertionCurrency:End of the insertion Begin of the deletion Currency field:End of the deletion

* Add caption "This is the Begin of the insertionunitEnd of the insertion Begin of the deletion nameEnd of the deletion of Begin of the insertioncurrency. It be a three-letter ISO code like EUR, USD or JPY or a symbol like €, $ or ¥."End of the insertion Begin of the deletion the currency being used. For example: Euro, Dollar, Yen."End of the deletion

* Format of currency:

* Begin of the insertionReplace with a select field

End of the insertion Begin of the deletion Rename this "Unit of currency"

End of the deletion * Begin of the insertionLabel: "Currency format"

* Options:

* "BeforeEnd of the insertion Begin of the deletion Add caption: "This isEnd of the deletion the Begin of the insertionnumber (eg. EUR 100)"

* "AfterEnd of the insertion Begin of the deletion symbol that is displayed afterEnd of the deletion the Begin of the insertionnumber (eg. 100 EUR)"

* No caption

<br>


End of the insertion Begin of the deletion numerical value. We recommend using a standard three-letter ISO codes like EUR, USD or JPY)&amp;quot;


End of the deletion ###

### Screenshots and other files

<img class="op-uc-image op-uc-image_inline" src="/api/v3/attachments/919381/content">

### Environment information

**OpenProject version**

Core build

[eef7c5eccf63b767ec90e4cfac91aa5ce9ca2b62](https://qa.openproject-stage.com/external_redirect?url=https%3A%2F%2Fgithub.com%2Fopf%2Fopenproject%2Fcommits%2Feef7c5eccf63b767ec90e4cfac91aa5ce9ca2b62)

Product version

[ecfbdd2facf738f725a89cda20e6909aaa4b155f](https://qa.openproject-stage.com/external_redirect?url=https%3A%2F%2Fgithub.com%2Fopf%2Fsaas-openproject%2Fcommits%2Fecfbdd2facf738f725a89cda20e6909aaa4b155f)

Core version

OpenProject 17.2.0

**Browser**

* [ ] Chrome
* [x] Firefox
* [ ] Safari
* [ ] Mobile Safari
* [ ] Other (please specify)

**Operating System**

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