oik-css text=. attribute no longer working; GeSHi output not displayed about oik-css HOT 5 CLOSED

<style type="text/css" media="screen,print" class="wp-block-oik-css-css">p { color: green; }
h2 { font-style: italic; }</style>
<div class="bw_css">Sets paragraphs foreground colour to green and headings to italic.<code>p <span style="color: #00AA00;">{</span> <span style="color: #000000; font-weight: bold;">color</span><span style="color: #00AA00;">:</span> <span style="color: #dc143c;">green</span><span style="color: #00AA00;">;</span> <span style="color: #00AA00;">}</span><br>
h2 <span style="color: #00AA00;">{</span> <span style="color: #000000; font-weight: bold;">font-style</span><span style="color: #00AA00;">:</span> <span style="color: #993333;">italic</span><span style="color: #00AA00;">;</span> <span style="color: #00AA00;">}</span></code></div>

<style type="text/css" media="screen,print" class="wp-block-oik-css-css">p { color: green; }
h2 { font-style: italic; }</style>

$html = '<div class="wp-block-oik-css-css">';
$html .= oik_css( $attributes, $content );
$html .= '</div>';

<p>div class=&#8221;wp-block-oik-css-css&#8221;&gt;</p>
<style type="text/css" media="screen,print" class="wp-block-oik-css-css">p { color: green; }
h2 { font-style: italic; }</style>
<div class="bw_css">Sets paragraphs foreground colour to green and headings to italic.<code>p <span style="color: #00AA00;">{</span> <span style="color: #000000; font-weight: bold;">color</span><span style="color: #00AA00;">:</span> <span style="color: #dc143c;">green</span><span style="color: #00AA00;">;</span> <span style="color: #00AA00;">}</span><br>
h2 <span style="color: #00AA00;">{</span> <span style="color: #000000; font-weight: bold;">font-style</span><span style="color: #00AA00;">:</span> <span style="color: #993333;">italic</span><span style="color: #00AA00;">;</span> <span style="color: #00AA00;">}</span></code></div>

C:\apache\htdocs\wordpress\wp-content\plugins\gutenberg\lib\block-supports\index.php(55:0) gutenberg_apply_block_supports(4) 232 0 2020-09-07T15:41:08+00:00 0.466282 0.000152 cf=genesis_loop,genesis_entry_content,the_content,pre_render_block,render_block 15704 27 35034 2097152/2097152 512M F=501 attributes Array
(
    [css_classes] => Array
        (
            [0] => wp-block-oik-css-css
        )

)

register_block_type( 'oik-css/css',
			[
				'render_callback'=>'oik_css_dynamic_block_css',
				'attributes'     =>[
					'css' =>[ 'type'=>'string' ],
					'text'=>[ 'type'=>'string' ]
				]
				, 'editor_script' => 'oik-css-blocks-js'
				, 'editor_style' => null
				, 'script' => null
				, 'style' => 'oik-css-blocks-css'
                , 'supports' => [
                    'className' => false
            ]
			] );

$html = '<div>';
$html .= oik_css( $attributes, $content );
$html .= '</div>';