refactor: Reduce number of template debug logs

Author: pawamoy

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

@@ -1,5 +1,5 @@
-{{ log.debug("Rendering children of " + obj.path) }}
 {% if obj.members %}
+  {{ log.debug("Rendering children of " + obj.path) }}
 
   <div class="doc doc-children">
 

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

@@ -1,5 +1,5 @@
-{{ log.debug("Rendering docstring") }}
 {% if docstring_sections %}
+  {{ log.debug("Rendering docstring") }}
   {% for section in docstring_sections %}
     {% if section.kind.value == "text" %}
       {{ section.value|convert_markdown(heading_level, html_id) }}

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

@@ -1,5 +1,5 @@
-{{ log.debug("Rendering labels") }}
 {% if labels %}
+  {{ log.debug("Rendering labels") }}
   <span class="doc doc-properties">
     {% for label in labels %}
       <small class="doc doc-label doc-label-{{ label }}"><code>{{ label }}</code></small>

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

@@ -1,5 +1,5 @@
-{{ log.debug("Rendering signature of " + function.path) }}
 {%- if config.show_signature -%}
+  {{ log.debug("Rendering signature") }}
   {%- with -%}
 
     {%- set ns = namespace(render_pos_only_separator=True, render_kw_only_separator=True, equal="=") -%}