backplateImgUrl does not adjust to fit to the canvas when zoom in/zoom out

[hoan-anh]

Describe the bug backplateImgUrl does not adjust to fit to the canvas when zoom in/zoom out, its size stays the same.

Painterro version v1.2.87

To Reproduce Steps to reproduce the behavior:

1. Initiate Painterro with the backplateImgUrl parameter: Painterro({ backplateImgUrl: 'image-url' }).show()

2. Use Ctrl + scroll to zoom in/out of the canvas

Expected behavior The backplate img should also zoom in/out to fit with the canvas

Screenshots Before zooming:

After zooming in:

Browser Google Chrome 133 on Windows 11