Fixes a horizontal scrolling issue for json tables

What does this MR do and why?

Fixes a horizontal scrolling issue for json tables, they was previously no horizontal scroll capability.

Added bootstrap class for max-width:100% to json-table div to enable a scroll bar.

reference: https://gitlab.com/gitlab-org/gitlab/-/issues/428266

Changelog: Fixed Horizontal Scrolling for JSON Tables

MR acceptance checklist

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Screenshots or screen recordings

Screenshots are required for UI changes, and strongly recommended for all other merge requests.

• Before:
• After:

How to set up and validate locally

1. Create a JSON Table that is wider than a wiki page.
2. Verify that there is now a scroll bar allowing you to horizontally scroll and view the full width of the table.

Example

Click here to test!

{
    "items":
    [
        {
            "a": "table row",
            "b": "table row",
            "c": "table row",
            "d": "table row",
            "e": "table row"
        }
    ]
}

{
    "items":
    [
        {
            "a": "table row",
            "b": "table row",
            "c": "table row",
            "d": "table row",
            "e": "table row",
            "f": "table row",
            "g": "table row",
            "h": "table row",
            "i": "table row",
            "j": "table row",
            "k": "table row",
            "l": "table row",
            "m": "table row",
            "n": "table row",
            "n": "table row",
            "n": "table row",
            "o": "table row",
            "p": "table row",
            "q": "table row",
            "r": "table row",
            "s": "table row",
            "t": "table row",
            "u": "table row",
            "v": "table row",
            "w": "table row",
            "x": "table row",
            "y": "table row",
            "z": "table row"
        }
    ]
}