Scroll Lock (feature or bug)

[zagarskas]

jquery-confirm version:
v3.3.4

I'm submitting a ... (check one with "x")
[x] bug report
[xxx] feature request
[ ] support request

Current behavior:
When popup happens the user can scroll on the page, this creates problems where the result of the popup interaction needs to make something immediately apparent to the user based on the button they just clicked.

Expected behavior:
The scroll bars should lock: for example scroll_lock: true, should be an option

Steps to reproduce:
pop open any example on the example page and click a popup, then scroll. the page behind the popup moves