fix: escaping HasWidth@getWidth return value

[Carnicero90]

Description

HasWidth::getWidth() returns an unescaped string that is placed directly
into a style attribute via @style in two Blade templates:

• packages/tables/resources/views/index.blade.php
• packages/forms/resources/views/components/repeater/table.blade.php

I initially noticed this while working on something else and didn't think it
was worth reporting. After seeing #19885 (same pattern, ImageColumn/ImageEntry
src attribute), it felt consistent enough to fix here too (although, in that case, I think it's less security sensitive).

e() prevents breaking out of the style attribute (e.g. 200px" onclick="..."),
but CSS property injection remains possible (e.g. 200px; background: red).
Happy to add strtok($width, ';') before e() if that's considered in scope,
but wanted to check first.

Visual changes

None, as long as somebody wasnt using ->width for a self-xss-attack.

Functional changes

• Code style has been fixed by running the composer cs command.
• Changes have been tested to not break existing functionality. (Although, technically, is a breaking change for whoever was using it to inject stuff).
• Documentation is up-to-date.