custom search service is crashing mapstore in 3D mode

[MV88]

Description

the app crash when...

How to reproduce

• load a map
• go in 3d
• try to edit a custom search service

Expected Result

it should not crash

Current Result

it crash

• [x] Not browser related

Browser info

(use this site: https://www.whatsmybrowser.org/ for non expert users)

Browser Affected	Version
Internet Explorer
Edge
Chrome
Firefox
Safari

Other useful information