Still having this issue...

I was having the same issue. And I, so called "fixed" it.
In field.class.php I added || strpos($current_url, 'tracking.injector.php') !== false to the if statements.
Because, when you start using ticket form - your address is not 'helpdesk.public.php' anymore it's 'tracking.injector.php'

if (strpos($current_url, 'helpdesk.public.php') !== false || strpos($current_url, 'tracking.injector.php') !== false) {
            echo "<div id='{$html_id}' class='card-body row mx-0' style='border-top:0'>";
            echo "<div class='offset-md-1 col-md-8 col-xxl-6'>";
            $field_options = [
                'label_class' => 'col-lg-3',
                'input_class' => 'col-lg-9',
            ];
        } else {
            echo "<div id='{$html_id}'>";
        }
        $display_condition = new PluginFieldsContainerDisplayCondition();

        if ($display_condition->computeDisplayContainer($item, $c_id))
        {
            self::showDomContainer(
                $c_id,
                $item,
                $type,
                $subtype,
                $field_options ?? [],
            );
        }
        if (strpos($current_url, 'helpdesk.public.php') !== false || strpos($current_url, 'tracking.injector.php') !== false) {
            echo '</div>';
        }

This will fix the alignment issue.

Next, I edited showForTab function like so

public static function showForTab($params)
    {
        $item = $params['item'];

        if($item->fields['type'] == "")
        {
            $item->fields['type'] = $params['options']['type'];
        }
        if($item->fields['itilcategories_id'] == "")
        {
            $item->fields['itilcategories_id'] = $params['options']['itilcategories_id'];
        }

There, if we don't have type in $item or we don't have itilcategories_id- we got them from $params options.

This will fix all issues with containers, and you will be able to show or hide them according to your conditions.
If there is a better way to fix this issue - tell me.

Hi @akstis-typer

can you propose a PR ?

Hi! I've tried the code, but it didn’t work as expected in my case. I had to move a few lines of your code further down in fields.inc.php to make it work properly.

 public static function showForTab($params)
    {
        $item = $params['item'];

        $functions = array_column(debug_backtrace(), 'function');
        ...
        $display_condition = new PluginFieldsContainerDisplayCondition();

        // @akstis-typer code starts here ------
        if($item->fields['type'] == "")
        {
            $item->fields['type'] = $params['options']['type'];
        }
        if($item->fields['itilcategories_id'] == "")
        {
            $item->fields['itilcategories_id'] = $params['options']['itilcategories_id'];
        }
        // @akstis-typer code ends here ------

        if ($display_condition->computeDisplayContainer($item, $c_id)) {
        ...

The issue seemed to be related to this part of the code:

if ($item->isEntityAssign()) {
    $current_entity = $item->getEntityID();
    if (!in_array($current_entity, $entities)) {
        return;
    }
}

I’m not entirely sure what this block was doing, but in my case it was preventing the code from working as expected — the values assigned by @akstis-typer snippet were overriden once again to empty values.

Hope this helps!

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@DaviidMM please try fix proposed in #942