White space before"!important" tag missing in CSS beautify

[gujiman]

Description

When beautifying CSS ideally the code would look nice if there was a space before "!important" value.

Input

The code looked like this before beautification:

.form-inline{display:block!important;}

Expected Output

The code should have looked like this after beautification:

.form-inline{
    display: block !important;
}

Actual Output

The code actually looked like this after beautification:

.form-inline{
    display: block!important;
}

Steps to Reproduce

Just beatify the css code

Environment

OS: Win 10, 7

Settings

Example:

{
    "indent_size": 2,
    "indent_char": " ",
    "eol": "\n",
    "indent_level": 0,
    "indent_with_tabs": false,
    "preserve_newlines": true,
    "max_preserve_newlines": 0,
    "jslint_happy": false,
    "space_after_anon_function": false,
    "brace_style": "collapse",
    "keep_array_indentation": false,
    "keep_function_indentation": false,
    "space_before_conditional": true,
    "break_chained_methods": false,
    "eval_code": false,
    "unescape_strings": false,
    "wrap_line_length": 0,
    "wrap_attributes": "auto",
    "wrap_attributes_indent_size": 4,
    "end_with_newline": false
}