Selection column is non-zero #775
Description
Describe the bug
Currently, the column does not occupy the minimum size required for the checkbox, but has a fixed size of 44px specified in the code.
To Reproduce
https://icflorescu.github.io/mantine-datatable/examples/records-selection/#disable-selection-of-certain-records
Even on the website, you can see that there is extra space on the right side of the column.
Expected behavior
The selection column only takes up the space of the checkbox itself.
Screenshots
