Scrollbar of ScrollView entity not always updated correctly

[albertvanveen]

Description

Scrollbar of ScrollView entity not always updated correctly in the editor.

Before refresh of the editor:

After refresh of the editor:

Steps to Reproduce

1. Create a new ScrollView entity
2. Change the width and height of the element component
3. Scrollbar not always updated correctly
4. Refresh the editor to solve this issue

[albertvanveen]

Disabled scrollbar also keeps appearing for some reason:

And the opposite happens too: