fix: adjust suggestion fix ranges in processor

[mdjermanovic]

This updates the processor to adjust suggestion fixes in the same way as autofixes.

Currently, with this example config:

// eslint.config.js
import markdown from "@eslint/markdown";

export default [
    {
        files: ["**/*.md"],
        plugins: {
            markdown
        },
        processor: "markdown/markdown"
    },
    {
        files: ["**/*.md/*.js"],
        rules: {
            "require-unicode-regexp": "error"
        }
    }
];

and this example code:

applying the "Add the 'u' flag" suggestion results in:

After this change, applying the suggestion will produce the correct result: