Incorrect hint position when container is scrolled

[mbechev]

Description

The hint position is incorrectly calculated when the container is scrolled.

Steps To Reproduce

1. Scroll the page.
2. Drag the button.
3. See where the hint message appears.

https://stackblitz.com/edit/angular-py21fbyt?file=src%2Fapp%2Fapp.component.ts,src%2Findex.html,src%2Fapp%2Fstyles.css

Screenshots or video

Screen.Recording.2025-01-22.at.14.57.22.mov

Actual Behavior

The hint appears away from the cursor when the page is scrolled.

Expected Behavior

The hint should appear next to the pointer as it appears by default (in a non scrollable container).