bulma (file, components): fix color fo icons: icons have no color specified anymore for a while, and use the color of parent elements. As they are often used in a `<a>` element (to work without javascript), they are often using a link color. This commit change a few icons to use a dark color instead.

{
    "js": {
        "package": {
            "dependencies": {
                "bulma": ">= 0.9.0"
            }
        }
    }
}