fix: Use toc_label option in a few missing places

Issue-267: #267

Author: pawamoy

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

@@ -39,7 +39,7 @@ Context:
           role="data" if attribute.parent.kind.value == "module" else "attr",
           id=html_id,
           class="doc doc-heading",
-          toc_label=('<code class="doc-symbol doc-symbol-toc doc-symbol-attribute"></code>&nbsp;'|safe if config.show_symbol_type_toc else '') + attribute.name,
+          toc_label=('<code class="doc-symbol doc-symbol-toc doc-symbol-attribute"></code>&nbsp;'|safe if config.show_symbol_type_toc else '') + (config.toc_label if config.toc_label and root else attribute_name),
         ) %}
 
         {% block heading scoped %}

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

@@ -38,7 +38,7 @@ Context:
           role="class",
           id=html_id,
           class="doc doc-heading",
-          toc_label=('<code class="doc-symbol doc-symbol-toc doc-symbol-class"></code>&nbsp;'|safe if config.show_symbol_type_toc else '') + class.name,
+          toc_label=('<code class="doc-symbol doc-symbol-toc doc-symbol-class"></code>&nbsp;'|safe if config.show_symbol_type_toc else '') + (config.toc_label if config.toc_label and root else class.name),
         ) %}
 
         {% block heading scoped %}

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

@@ -45,7 +45,7 @@ Context:
           role="function",
           id=html_id,
           class="doc doc-heading",
-          toc_label=(('<code class="doc-symbol doc-symbol-toc doc-symbol-' + symbol_type + '"></code>&nbsp;')|safe if config.show_symbol_type_toc else '') + function.name,
+          toc_label=(('<code class="doc-symbol doc-symbol-toc doc-symbol-' + symbol_type + '"></code>&nbsp;')|safe if config.show_symbol_type_toc else '') + (config.toc_label if config.toc_label and root else function.name),
         ) %}
 
         {% block heading scoped %}