Wrong image width in containers when nesting containers

[SventB]

Bug Report

Prerequisites

• [x] Can you reproduce the problem on TYPO3 v12.4 LTS
• [x] Did you perform a cursory search to see if your bug or enhancement is already reported?

Description

Image widths are wrong, when having nested container elements with images.

Steps to Reproduce

1. Install EXT:container
2. Create content element type "2 Columns 75%/25%"
3. Create content element type "2 Columns 50%/50%" in column 1 of previously created container element
4. Insert two content elements of type "Images Only", one in column 1, one in column 2 of previously created container element

Expected behavior

Width of images in element "2 Columns 50%/50%" are the same.

Actual behavior

Width of image in column 1 is too big, width of image in column 2 is too small.

Screenshots

Backend view

Frontend view

Image 1 has width of 445 pixels, that's too big. Image 2 has width of 135 pixels, that's too small.