[BUG] [Formatter] Djlint condenses Jinja tags from multiple lines into one

[IArnaut2]

• I'm on the latest version of djLint
• I've searched the issues
• I've read the docs

System Info

• OS: Windows 11 64-bit
• Python Version 3.14.2
• djLint Version 1.36.4
• template language: Django Template

Issue

Djlint has stupid the annoying issue where it wraps condensing Jinja tags from multiple lines into one line.

Example #1:
Before:

{{ terms_form.move_in_date }}
{% if terms_form.move_in_date.errors %}
<span class="form-text text-danger">{{ terms_form.move_in_date.errors.0 }}</span>
{% endif %}

Example #1 after:

{{ terms_form.move_in_date }} {% if terms_form.move_in_date.errors %}
<span class="form-text text-danger">{{ terms_form.move_in_date.errors.0 }}</span>
{% endif %}

Example #2:
Before:

{% csrf_token %}

{% if messages %}
  {% for message in messages %}
  <div class="row mb-3">
    <div class="col">
      <div class="alert alert-danger">{{ message }}</div>
    </div>
  </div>
  {% endfor %}
{% endif %}

After:

{% csrf_token %} {% if messages %} {% for message in messages %}
<div class="row mb-3">
  <div class="col">
    <div class="alert alert-danger">{{ message }}</div>
  </div>
</div>
{% endfor %} {% endif %}

How To Reproduce

1. Just write code like in the examples before formatting
2. Save file

[dwaltrip]

I've been going insane in a new project at work because of of this. We need a setting that allows specifying "don't collapse control flow blocks".

99.9% of the time I want code inside an {% if ... %} block to always be on multiple line regardless of how "short" the block body is. E.g.:

{% if show_the_thing %}
  <div>Please don't collapse this into a single line 😔</div>
{% endif %}

When it reformats like below, my brain starts short-circuiting and I go cross-eyed...

{% if show_the_thing %}<div>Please don't collapse this into a single line 😔</div>{% endif %}

I know this can affect whitespace on the rendered page, so there are some edge cases. There could at least be a fallback option for this new setting: leave-as-is.