Stations are not displayed sometimes

[johannest03]

Describe the issue
Sometimes the stations aren't displayed nor found. Error message can be found in console:
Chrome:
Uncaught (in promise) TypeError: Cannot read property 'y' of undefined
at Ee (map_widget.min.js:156)
at map_widget.min.js:889
at Array.filter ()
at HTMLElement.drawMap (map_widget.min.js:889)

To Reproduce
Steps to reproduce the behavior:

1. Reload the component multiple times until error occurs(In component store, external window or anywhere else).
   note: Chrome seems to have this issue more often than Firefox.
   Also reproducible on phone.

Screenshots

Note: Filter was set with those options when opened.

Desktop

• OS: Windows 10
• Browser Chrome, Firefox

Smartphone

• Device: S8+
• Browser Chrome