fix: Prevent whitespace removal before highlight filter

Author: pawamoy

src/mkdocstrings_handlers/python/templates/material/_base/attribute.html

@@ -25,7 +25,7 @@
         {% if config.separate_signature %}
           <span class="doc doc-object-name doc-attribute-name">{% if show_full_path %}{{ attribute.path }}{% else %}{{ attribute.name }}{% endif %}</span>
         {% else %}
-          {% filter highlight(language="python", inline=True) %}
+          {%+ filter highlight(language="python", inline=True) %}
             {% if show_full_path %}{{ attribute.path }}{% else %}{{ attribute.name }}{% endif %}
             {% if attribute.annotation %}: {{ attribute.annotation }}{% endif %}
             {% if attribute.value %} = {{ attribute.value }}{% endif %}

src/mkdocstrings_handlers/python/templates/material/_base/class.html

@@ -24,13 +24,13 @@
       {% block heading scoped %}
         {% if config.separate_signature %}
           <span class="doc doc-object-name doc-class-name">{% if show_full_path %}{{ class.path }}{% else %}{{ class.name }}{% endif %}</span>
-        {% elif config.merge_init_into_class and "__init__" in class.members -%}
-          {%- with function = class.members["__init__"] -%}
-            {%- filter highlight(language="python", inline=True) -%}
+        {% elif config.merge_init_into_class and "__init__" in class.members %}
+          {% with function = class.members["__init__"] %}
+            {%+ filter highlight(language="python", inline=True) %}
               {% if show_full_path %}{{ class.path }}{% else %}{{ class.name }}{% endif %}
-              {%- include "signature.html" with context -%}
-            {%- endfilter -%}
-          {%- endwith -%}
+              {% include "signature.html" with context %}
+            {% endfilter %}
+          {% endwith %}
         {% else %}
           <code>{% if show_full_path %}{{ class.path }}{% else %}{{ class.name }}{% endif %}</code>
         {% endif %}

src/mkdocstrings_handlers/python/templates/material/_base/function.html

@@ -27,7 +27,7 @@
         {% if config.separate_signature %}
           <span class="doc doc-object-name doc-function-name">{% if show_full_path %}{{ function.path }}{% else %}{{ function.name }}{% endif %}</span>
         {% else %}
-          {% filter highlight(language="python", inline=True) %}
+          {%+ filter highlight(language="python", inline=True) %}
             {% if show_full_path %}{{ function.path }}{% else %}{{ function.name }}{% endif %}
             {% include "signature.html" with context %}
           {% endfilter %}