Spreadsheet : Custom column width transferred on deletion

[medubelko]

Version: Gaffer 0.56.0.0b2-linux, Gaffer 0.56.0.0b2-macos
Third-party tools: Arnold
Third-party modules: None

Description

When deleting a resized column in a spreadsheet, every column to the right will resize to its adjacent column's old size.

Steps to reproduce

1. Create a spreadsheet with columns 1, 2, 3, 4.
2. Resize the columns: 1 (100%), 2 (200%), 3 (50%), 4 (100%)
3. Delete column 2.
4. The columns will be resized: 1 (100%), 3 (200%), 4 (50%)